The gold standard for diagnosing myocardial infarction has been the World Health Organization definition, which requires any 2 of 3 criteria: ischemic symptoms, electrocardiographic changes ...

Background The Prognostic Nutritional Index (PNI), calculated from serum albumin levels and lymphocyte counts, is a simple ...

A clinical trial involves the study of the safety, efficacy and/or dosage regimen of a therapeutic intervention (such as a drug) in humans selected according to predetermined criteria of ...

Circadian rhythms are the regular, daily cycles of biological processes or activities, including the regular and predictable variation in the levels of many circulating hormones, ions and the ...