Postmenopausal estrogen and prevention bias.
Barrett-Connor
E
E
Department of Community and Family Medicine, University of California, San Diego, La Jolla 92093-0607.
D000368:Aged; D015982:Bias; D002318:Cardiovascular Diseases / Q000517:prevention & control*; D015331:Cohort Studies; D015914:Estrogen Replacement Therapy; D005260:Female; D015438:Health Behavior; D006801:Humans; D008875:Middle Aged