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Objective To examine whether multiparous women have more or less folic acid uptake than primiparous women.Outcomes Preconceptional, periconceptional and postconceptional folic acid use among all pregnant women and high r...

Much biomedical research is observational. The reporting of such research is often inadequate, which hampers the assessment of its strengths and weaknesses and of a study's generalizability. The Strengthening the Reporti...

Much biomedical research is observational. The reporting of such research is often inadequate, which hampers the assessment of its strengths and weaknesses and of a study's generalisability. The Strengthening the Reporti...

Much biomedical research is observational. The reporting of such research is often inadequate, which hampers the assessment of its strengths and weaknesses and of a study's generalisability. The Strengthening the Reporti...

Describes the process of building theories from case studies and examines the strengths and weaknesses of this process. The case study research strategy is one in which the goal is to understand the dynamics present with...

- This paper describes the process of inducting theory using case studies from specifying the research questions to reaching closure. Some features of the process, such as problem definition and construct validation, are...

Statistical guidelines and expert statements are now available to assist in the analysis and reporting of studies in some biomedical disciplines. We present here a more progressive resource for sample-based studies, meta...

Fil: Carrapizo, Verónica Noemí. Instituto Nacional de Tecnología Agropecuaria. Coordinación Nacional de Transferencia y Extensión; Argentina. Históricamente, en el ámbito de los estudios agrarios, ha surgido una p...

There is increasing evidence that genome-wide association (GWA) studies represent a powerful approach to the identification of genes involved in common human diseases. We describe a joint GWA study (using the Affymetrix ...

In this final installment of the paper we consider the case where the signals or the messages or both are continuously variable, in contrast with the discrete nature assumed until now. To a considerable extent the contin...

Las expectativas que los ciudadanos, las empresas y otros grupos de interés tienen sobre el gobierno electrónico y sus aplicaciones específicas tienen un impacto en las decisiones sobre el uso de tecnologías de infor...

Tesis de Maestría Escherichia coli (EC) es parte de la microbiota intestinal del hombre y animales de sangre caliente. La mayoría de las cepas son comensales, pero otras pueden causar enfermedad. Los Escherichia coli d...

Este trabajo se propone verificar diversas hipótesis sobre los determinantes de la tasa de interés real, concentrándose en la verificación de la paradoja de Gibson y el Efecto Fisher. Para ello se consideró el perí...

Concerned about the disintegration of spaces and humanity, the author asks: "What exactly are integration and the economic space of man?". In answering this question, he resorts to three concepts of space: the geographic...

En la tesis se consideran los procesos de cambio conceptual, teórico y metodológico que modelaron el desarrollo de los estudios sociales de la ciencia desde su emergencia hasta la actualidad, con el objeto de analizar ...

La infección urinaria (IU) y su manifestación clínica, la descarga vulvar (DV) es considerada una de las causas de descarte y muerte de hembras porcinas. En la República Argentina la información referente a IU y DV ...

En el marco de los estudios paleoepidemiológicos que se realizan en restos arqueológicos asignados a poblaciones de cazadores-recolectores de Patagonia, este trabajo presenta información novedosa acerca de la presenci...

In December, 2019, a local outbreak of pneumonia of initially unknown cause was detected in Wuhan (Hubei, China), and was quickly determined to be caused by a novel coronavirus,1WHOWHO statement regarding cluster of pneu...

One of the problems which has plagued those attempting to predict the behavior of capital markets is the absence of a body of positive microeconomic theory dealing with conditions of risk. Although many useful insights c...

BACKGROUND: The aggressive and heterogeneous nature of lung cancer has thwarted efforts to reduce mortality from this cancer through the use of screening. The advent of low-dose helical computed tomography (CT) altered t...

BACKGROUND: A 10-question screening scale of psychological distress and a six-question short-form scale embedded within the 10-question scale were developed for the redesigned US National Health Interview Survey (NHIS). ...

BACKGROUND: Special care facilities for patients with dementia gain increasing attention. However, an overview of studies examining the differences between care facilities with respect to their effects on behavior, cogni...

In Brief Background and Aims: The lack of consensus on how to define and grade adverse postoperative events has greatly hampered the evaluation of surgical procedures. A new classification of complications, initiated in ...

Economic theory has suffered in the past from a failure to state clearly its assumptions. Economists in building up a theory have often omitted to examine the foundations on which it was erected. This examination is, how...