Hormones to prevent coronary disease in women: when are observational studies adequate evidence?
Grady
D
D
Hulley
S B
SB
D003327:Coronary Disease / Q000517:prevention & control*; D015914:Estrogen Replacement Therapy; D006801:Humans; D017698:Postmenopause; D011372:Progestins / Q000627:therapeutic use; D016032:Randomized Controlled Trials as Topic / Q000592:standards; D012107:Research Design
D011372:Progestins