title: Balancing between observational studies and randomized trials in prevention of coronary heart disease by estrogen replacement: HERS study was no revolution.
authors.affiliation: Department of Obstetrics and Gynecology, Helsinki University Central Hospital, Finland.
authors.forename: O
authors.initials: O
authors.lastname: Ylikorkala
mesh_terms: D000368:Aged; D003327:Coronary Disease / Q000503:physiopathology / Q000517:prevention & control*; D015914:Estrogen Replacement Therapy / Q000009:adverse effects*; D004992:Ethics, Medical; D005260:Female; D006801:Humans; D017258:Medroxyprogesterone Acetate / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D008875:Middle Aged; D017698:Postmenopause; D045167:Progesterone Congeners / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D016032:Randomized Controlled Trials as Topic; D015203:Reproducibility of Results; D012107:Research Design
chemical_list: D045167:Progesterone Congeners; D017258:Medroxyprogesterone Acetate