1. Long-term prevention ofpostmenopausal osteoporosis by oestrogen;Lindsay, R.; Hart, D.M.; Aitken, J.M.; MacDonald, E.B.; Anderson, J.B.; Clarke, A.C.;Lancet,1976
2. Effect of estrogens and calcium carbonate on bone loss in postmenopausal women;Recker, R.R.; Saville, P.D.; Heaney, R.P.;Ann Intern Med,1977
3. Prospective trial of oestrogen and calcium in postmenopausal women;Horsman, A.; Gallagher, J.C.; Simnpson, M.; Nordin, B.E.;Br Med J,1977
4. Bone response to termination of oestrogen treatment;Lindsay, R.; Hart, D.M.; MacLean, A.; Clark, A.C.; Kraszewski, A.; Garwood, J.;Lancet,1978
5. Increased risk of endometrial carcinoma among users of conjugated estrogens;Ziel, H.K.; Finkle, W.D.;N EnglJ Med,1975