Case-control studies remain a cornerstone of observational epidemiology, enabling efficient investigation of associations between exposures and rare or costly outcomes. At their heart lies the careful ...

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Whereas cardiovascular disease-related mortality has declined in most developed countries, its known prevalence is increasing worldwide, although few data on the causes of heart disease in the ...

Objectives: Case management is commonly used by health plans to attempt to improve the care received by their members who have complex needs, such as those who undergo transplantation. There are few ...

Medical research is essential for advancing the understanding of health, diseases, and treatments. There are many types of studies that serve different purposes. Medical research, or health research, ...