The STROBE guidelines
An observational study is a type of epidemiological study design, which can take the form of a cohort, a case-control, or a cross-sectional study. When presenting observational ...
An observational study is a type of epidemiological study design, which can take the form of a cohort, a case-control, or a cross-sectional study. When presenting observational ...
h-index: Number of publications with at least h citations each.