Hormone replacement therapy.
Ellerington
M C
MC
Whitehead
M I
MI
Stevenson
J C
JC
D000367:Age Factors; D000368:Aged; D015914:Estrogen Replacement Therapy; D005260:Female; D006801:Humans; D015663:Osteoporosis, Postmenopausal / Q000188:drug therapy*