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Variational biomarker pooling with calibration for time-to-event outcomes across multiple clinical studies
Article
Article
Variational biomarker pooling with calibration for time-to-event outcomes across multiple clinical studies
Jiali Song et al · BMC · 2026 · ISSN 1471-2288
Abstract Background Biomarkers are widely used in oncology research to study disease progression and predict survival outcomes. Pooling biomarker data across studies can improve precision, but pooled analyses are often a...
LCC TENDOk1lZGljaW5lIChHZW5lcmFsKQ~~Idioma English
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Variation in environmental characteristics of waters among Amazon coast oyster culture units
Article
Article
Variation in environmental characteristics of waters among Amazon coast oyster culture units
Dioniso de Souza SAMPAIO et al · Instituto Nacional de Pesquisas da Amazônia · 2020 · ISSN 0044-5967
ABSTRACT Oyster culture has benefited traditional coastal communities along the Amazon macrotidal mangrove coast of Pará state in Brazil since 2006. Currently, seven oyster culture units in five municipalities are expan...
LCC LCC:Science (General)Idioma English
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Variation in speech tempo and its relationship to prosodic boundary occurrence in two speech genres
Article
Article
Variation in speech tempo and its relationship to prosodic boundary occurrence in two speech genres
Jan Volín · Karolinum Press · 2023 · ISSN 0567-8269
The present study focuses on two problems connected with speech tempo. First, earlier research has been prevalently concerned with central tendencies while variation was mostly perceived as an auxiliary result. We believ...
LCC TENDOlBoaWxvbG9neS4gTGluZ3Vpc3RpY3M~Idioma ces
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A Study on Monthly and Annual Average Temperature Variations in Mosul
Article
Article
A Study on Monthly and Annual Average Temperature Variations in Mosul
Ammar Mohammad Natheer et al · University of Mosul, College of Education for Pure Science · 2013 · ISSN 1812-125X
Abstract In Mosul a climatic change was clearly observed in the last few years, this may be due to greenhouse gases effect which leads to global warming or urbanization which increases the regional minimum temperatures. ...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma English
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A variational model of fracture for tearing brittle thin sheets
Article
Article
A variational model of fracture for tearing brittle thin sheets
Li, Bin et al · Pergamon-Elsevier Science Ltd · 2018 · ISSN 0022-5096
Tearing of brittle thin elastic sheets, possibly adhered to a substrate, involves a rich interplay between nonlinear elasticity, geometry, adhesion, and fracture mechanics. In addition to its intrinsic and practical inte...
Idioma English
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Avaliação do coeficiente de variação como medida da precisão em experimentos com frangos de corte Evaluation of the coefficient of variation as a precision measure in experiments with broilers
Article
Article
Avaliação do coeficiente de variação como medida da precisão em experimentos com frangos de corte Evaluation of the coefficient of variation as a precision measure in experiments with broilers
D.F. Mohallem et al · Universidade Federal de Minas Gerais, Escola de Veterinária · 2008 · ISSN 0102-0935
Estabeleceram-se faixas de coeficientes de variação (CV) que orientem a avaliação de determinadas variáveis em pesquisas futuras. Foram coletados dados de CV de vários trabalhos publicados no Brasil, com ênfase em...
LCC LCC:Animal cultureIdioma English
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Comparative analysis of mitochondrial genomes in the Ceratocystidaceae reveals highly conserved gene organization despite substantial genome size variation
Article
Article
Comparative analysis of mitochondrial genomes in the Ceratocystidaceae reveals highly conserved gene organization despite substantial genome size variation
Anien Viljoen et al · BMC · 2026 · ISSN 1471-2164
Abstract Background Comparative studies of mitochondrial genomes can assist in determining evolutionary and phylogenetic relationships. In the Ceratocystidaceae fungal family, mitochondrial genomes from only two genera a...
LCC TENDOkJpb3RlY2hub2xvZ3k~; LCC:GeneticsIdioma English
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Environment, space, and morphological variation of projectile points in Patagonia (Southern South America)
Article
Article
Environment, space, and morphological variation of projectile points in Patagonia (Southern South America)
Cardillo, Marcelo et al · Pergamon-Elsevier Science Ltd · 2016 · ISSN 1040-6182
The aim of this work is to assess shape variation in Patagonian stemmed projectile points related to spatial and environmental factors by means of geometric morphometric and multivariate methods. The sample includes 1445...
Idioma English
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Geographical variation of chemical signals and odor discrimination in the great Himalayan leaf-nosed bat (Hipposideros armiger)
Article
Article
Geographical variation of chemical signals and odor discrimination in the great Himalayan leaf-nosed bat (Hipposideros armiger)
Congnan Sun et al · BMC · 2026 · ISSN 1741-7007
Abstract Background Signal divergence and sensory preferences may cause reproductive isolation and eventually speciation between animal populations. These patterns are particularly well known in systems with acoustic or ...
LCC LCC:Biology (General)Idioma English
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Impact of germline genetic variation on breast cancer prognosis: a systematic review and meta-analysis
Article
Article
Impact of germline genetic variation on breast cancer prognosis: a systematic review and meta-analysis
Ariadna Gutiérrez-González et al · BMC · 2026 · ISSN 1471-2407
Abstract Background Breast cancer prognosis is the result of complex interactions between tumor biology, treatment, and host factors. While germline genetic variation is increasingly incorporated into breast cancer risk ...
LCC TENDOk5lb3BsYXNtcy4gVHVtb3JzLiBPbmNvbG9neS4gSW5jbHVkaW5nIGNhbmNlciBhbmQgY2FyY2lub2dlbnM~Idioma English
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MORPHOLOGICAL VARIATION IN BOLITOGLOSSA VALLECULA (AMPHIBIA: CAUDATA: PLETHODONTIDAE) IN THE CORDILLERA CENTRAL OF COLOMBIA VARIACIÓN MORFOLÓGICA EN BOLITOGLOSSA VALLECULA (AMPHIBIA: CAUDATA: PLETHODONTIDAE) EN LA CORDILLERA CENTRAL DE COLOMBIA
Article
Article
MORPHOLOGICAL VARIATION IN BOLITOGLOSSA VALLECULA (AMPHIBIA: CAUDATA: PLETHODONTIDAE) IN THE CORDILLERA CENTRAL OF COLOMBIA VARIACIÓN MORFOLÓGICA EN BOLITOGLOSSA VALLECULA (AMPHIBIA: CAUDATA: PLETHODONTIDAE) EN LA CORDILLERA CENTRAL DE COLOMBIA
Natalia Silva-González et al · Universidad de Antioquia · 2011 · ISSN 0304-3584
Body size and head shape variation was quantified in four populations of Bolitoglossa vallecula in the Cordillera Central of Colombia. Two of these four populations occurred in sympatry with B. ramosi, an ecologically si...
LCC LCC:Biology (General)Idioma English
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Modelling exchange rate variations and global shocks in Brazil
Article
Article
Modelling exchange rate variations and global shocks in Brazil
Harold Ngalawa et al · Faculty of Economics University of Rijeka · 2017 · ISSN 1331-8004
The purpose of this paper is to model variations of Brazil’s exchange rates and global shocks in order to establish if global oil prices and international interest rates (global shocks) have any impact on exchange ra...
LCC TENDOkVjb25vbWljIHRoZW9yeS4gRGVtb2dyYXBoeQ~~Idioma English
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Performing Language Variation to Promote Sociolinguistic Equality: A Systematic Literature Review
Article
Article
Performing Language Variation to Promote Sociolinguistic Equality: A Systematic Literature Review
Flordeluna L. Obispo et al · Sunan Ampel Press Surabaya · 2025 · ISSN 2087-0698
Sociolinguistic equality requires improving public understanding of language variation and challenging language ideologies that perpetuate social inequalities. This study introduces a public engagement strategy using res...
LCC LCC:Language and LiteratureIdioma English
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Quality variation patterns in reclaimed pedunculated filament backfill solution during storage
Article
Article
Quality variation patterns in reclaimed pedunculated filament backfill solution during storage
Yudong Yin et al · Frontiers Media S.A · 2026 · ISSN 1664-462X
Reclaimed backfill solution, a process-derived liquid generated during pedunculated filament treatment in tobacco manufacturing, has potential value for resource recovery and process reuse; however, its storage stability...
LCC TENDOlBsYW50IGN1bHR1cmU~Idioma English
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Regional variation in weight-for-height z-scores and surface area/body mass ratio of Chilean children from birth to 3 years of age
Article
Article
Regional variation in weight-for-height z-scores and surface area/body mass ratio of Chilean children from birth to 3 years of age
Retamal Yermani, Rodrigo et al · Wiley-Liss · 2019 · ISSN 10968644
Objective: The objectives of the study were to see how much of the variation in weight-forheight z-scores (WHZ) and surface area/body mass ratio (SA/mass) were associated with regional (county) differences including mean...
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Short‐term intra‐individual variation of urinary biomarkers in dogs with stable chronic kidney disease
Article
Article
Short‐term intra‐individual variation of urinary biomarkers in dogs with stable chronic kidney disease
Hilla Chen et al · Oxford University Press · 2023 · ISSN 0891-6640
Abstract Background Active‐ongoing kidney damage is present in animals with stable chronic kidney disease (CKD), as reflected by biomarkers in urine. Interpretation of serial messurements of biomarkers requires knowled...
LCC TENDOlZldGVyaW5hcnkgbWVkaWNpbmU~Idioma English
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Spatial Variation of Dental Caries in Late Holocene Samples of Southern South America: a Geostatistical Study
Article
Article
Spatial Variation of Dental Caries in Late Holocene Samples of Southern South America: a Geostatistical Study
Menendez, Lumila Paula · Wiley-liss, Div John Wiley & Sons Inc · 2016 · ISSN 1042-0533
Objective: The spatial variation of dental caries in late Holocene Southern South American populationswill be analyzed using geostatistical methods. The existence of a continuous geographical pattern ofdental caries vari...
Idioma English
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Spatial and temporal variation of primary production of Patagonian wet meadows
Article
Article
Spatial and temporal variation of primary production of Patagonian wet meadows
Buono, G. et al · Academic Press Ltd - Elsevier Science Ltd · 2010 · ISSN 1257-1261
In extra-Andean Patagonia, wet meadows contrast with the prevailing arid steppes, and present a gradient of water availability from the periphery to the center. The objectives of this paper are to describe the spatial an...
Idioma English
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Structural Variation of Directives in University Classroom Discourse: A Corpus-Based Investigation
Article
Article
Structural Variation of Directives in University Classroom Discourse: A Corpus-Based Investigation
Elnaz Kia · Pontifícia Universidade Católica de São Paulo - PUC-SP · 2021 · ISSN 1678-460X
ABSTRACT The present study examines structural variation of directives1 across different situational contexts in university lectures. The data comes from the lecture component of a large corpus of university discourse2. ...
LCC TENDOlBoaWxvbG9neS4gTGluZ3Vpc3RpY3M~Idioma English
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VARIACIONES NICTEMERALES DE ALGUNAS VARIABLES CLIMÁTICAS, FÍSICAS Y QUÍMICAS EN UNA LAGUNA SOMERA EN GUATAPÉ (ANTIOQUIA), COLOMBIA NICTEMERAL VARIATION OF SOME CLIMATIC, PHYSICAL AND CHEMICAL VARIABLES ON SMALL LAKE IN GUATAPÉ (ANTIOQUIA), COLOMBIA
Article
Article
VARIACIONES NICTEMERALES DE ALGUNAS VARIABLES CLIMÁTICAS, FÍSICAS Y QUÍMICAS EN UNA LAGUNA SOMERA EN GUATAPÉ (ANTIOQUIA), COLOMBIA NICTEMERAL VARIATION OF SOME CLIMATIC, PHYSICAL AND CHEMICAL VARIABLES ON SMALL LAKE IN GUATAPÉ (ANTIOQUIA), COLOMBIA
Yimmy Montoya-M · Universidad de Antioquia · 2008 · ISSN 0304-3584
Se evaluó la variación nictemeral de algunas variables climáticas, físicas y químicas durante dos días de muestreos separados por seis meses en dos épocas hidrológicas diferentes en una laguna tropical en el muni...
LCC LCC:Biology (General)Idioma English
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VARIACIÓN TEMPORAL DE LA CONDICIÓN TRÓFICA DEL LAGO DEL PARQUE NORTE, MEDELLÍN (ANTIOQUIA), COLOMBIA TEMPORAL VARIATION OF TROPHIC CONDITION IN THE LAKE OF THE PARQUE NORTE, MEDELLÍN (ANTIOQUIA), COLOMBIA
Article
Article
VARIACIÓN TEMPORAL DE LA CONDICIÓN TRÓFICA DEL LAGO DEL PARQUE NORTE, MEDELLÍN (ANTIOQUIA), COLOMBIA TEMPORAL VARIATION OF TROPHIC CONDITION IN THE LAKE OF THE PARQUE NORTE, MEDELLÍN (ANTIOQUIA), COLOMBIA
Diana P. Moreno-Arbeláez et al · Universidad de Antioquia · 2010 · ISSN 0304-3584
Con el propósito de evaluar la variación temporal del estado trófico y la condición húmica del lago del Parque Norte (LPN), Medellín (Antioquia, Colombia), se realizaron muestreos quincenales entre marzo y agosto d...
LCC LCC:Biology (General)Idioma English
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Variação espacial e temporal da precipitação no Estado do Pará Spatial and temporal variation of precipitation in the State of Pará
Article
Article
Variação espacial e temporal da precipitação no Estado do Pará Spatial and temporal variation of precipitation in the State of Pará
Bergson Cavalcanti de Moraes et al · Instituto Nacional de Pesquisas da Amazônia · 2005 · ISSN 0044-5967
Estudos sobre a climatologia das precipitações no Estado do Pará são essenciais para o planejamento das atividades agrícolas. A variação da precipitação anual e sazonal no Estado do Pará foi analisada com base ...
LCC LCC:Science (General)Idioma English
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Variação interobservador no diagnóstico histopatológico do carcinoma ductal in situ da mama Interobserver variation of the histopathologic diagnosis of ductal carcinoma in situ of the breast
Article
Article
Variação interobservador no diagnóstico histopatológico do carcinoma ductal in situ da mama Interobserver variation of the histopathologic diagnosis of ductal carcinoma in situ of the breast
Márcio de Almeida Salles et al · Federação Brasileira das Sociedades de Ginecologia e Obstetrícia · 2005 · ISSN 0100-7203
OBJETIVOS: fazer avaliação crítica do diagnóstico histopatológico do carcinoma ductal in situ (CDIS) da mama empregando a variação interobservador quanto ao diagnóstico, padrão arquitetural predominante, grau nu...
LCC TENDOkd5bmVjb2xvZ3kgYW5kIG9ic3RldHJpY3M~Idioma English
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WHAT DO ANOLIS EAT?: EVALUATION OF SEXUAL DIMORPHISM AND GEOGRAPHIC VARIATION IN THE DIET OF ANOLIS VENTRIMACULATUS (SQUAMATA: DACTYLOIDAE) IN COLOMBIA
Article
Article
WHAT DO ANOLIS EAT?: EVALUATION OF SEXUAL DIMORPHISM AND GEOGRAPHIC VARIATION IN THE DIET OF ANOLIS VENTRIMACULATUS (SQUAMATA: DACTYLOIDAE) IN COLOMBIA
Leidy A. Barragán-Contreras et al · Universidad de Antioquia · ISSN 0304-3584
Anolis lizards exhibit high morphological diversity, partially related to variation in structural resource use, that probably influences foraging behavior and prey selection of individuals and species. Anoles are largely...
LCC LCC:Biology (General)Idioma English
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