1. Postmenopausal osteoporosis;Albright;Trans Assoc Am Physicians,1940
2. Estrogens, bone loss and preservation;Christiansen;Osteoporosis Int,1990
3. Osteoporosis after oophorectomy for non-malignant disease;Aitken;Br Med J,1973
4. Menopausal changes in bone remodeling;Heaney;J Lab Clin Med,1978
5. Menopausal changes in calcium balance performance;Heaney;J Lab Clin Med,1978