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Histologically similar to both in situ and invasive ductal carcinoma of the breast, salivary duct carcinoma (SDC) is an uncommon and excessively aggressive subtype of primary salivary gland carcinoma. The salivary gland ...

Leposternon microcephalum is a terrestrial amphisbaenid found in open and semi-open habitats in Bolivia, Paraguay, Argentina, Uruguay, and Brazil (Pérez and Ribeiro 2008. Check List 4:291–294). They are reported to be...

The morphology of titanium, zirconium, and hafnium nanofilms deposited onto zirconia after annealing in vacuum at 1400, 1500, and 1600°C was studied. Nanofilms show a tendency to fragmentation; for titanium it begins at...

The article emphasizes that the family is the main environment of life. If it is a dysfunctional family, all its problems can have a negative impact on the development and upbringing of children. Unfortunately, the key d...

Oral pigmentation refers to a pigmented lesion on the oral mucosa, caused by one or more pigments that accumulate, resulting in tissue color change. Pigment lesions can vary in size, color, and location, and may range fr...