221
Participants
Start Date
February 28, 1998
Primary Completion Date
February 28, 2003
Study Completion Date
December 31, 2006
Placebo
Placebo, calcium 900mg/d, VitD200iu/d and exercise
estradiol valerate
estradiol valerate 1mg/d,medroxyprogesterone 6mg/d for 10 days,calcium 900mg/d, VitD200iu/d and exercise
Peking Union Medical College
OTHER