From outbreak investigations to clinical trials, the right study design can make or break public health research. Understanding the strengths, limitations, and applications of each approach helps ...

To develop a descriptive model of preventability for maternal morbidity and mortality that can be used in quality assurance and morbidity and mortality review processes. This descriptive study was ...

Over the last 25 years, the prevalence of asthma has increased worldwide among children and adolescents; this inflammatory disease epidemic has been well documented in different developed countries ...