Commentary: hormones and heart disease: do trials and observational studies address different questions?
Stampfer
Meir
M
Harvard School of Public Health, Department of Epidemiology, 677 Huntington Avenue, Kresge 904, Boston, MA 02115. USA. mstampfe@hsph.harvard.edu
D000367:Age Factors; D002318:Cardiovascular Diseases / Q000139:chemically induced* / Q000453:epidemiology; D015340:Epidemiologic Research Design; D015914:Estrogen Replacement Therapy; D005260:Female; D020249:Hormone Replacement Therapy / Q000009:adverse effects*; D006801:Humans; D016032:Randomized Controlled Trials as Topic; D012307:Risk Factors; D012959:Socioeconomic Factors