The Author Reply Below

Quigley M.E.T. , Martin P.L. , Burnier A.M. , Brooks P. Estrogen therapy arrests bone loss in elderly women. Am J Obstet Gynecol 1987; 156: 1516–23

Meuleman J. Osteoporosis and the elderly. Med Clin North Am 1989; 73: 1455–70

Resnick N.M. , Greenspan S.L. ‘Senile’ osteoporosis reconsidered. JAMA 1989; 261: 1025–9

Lindsay R. , Tohme J.F. Estrogen treatment of patients with established osteoporosis. Obstet Gynecol 1990; 76: 290–5

Christiansen C. , Riis R.J. 17B estradiol and continuous norethisterone: a unique treatment for established osteoporosis in elderly women. J Clin Endocrinol Metab 1990; 71: 836–41

Savvas M. , Studd J.W.W. , Fogelman I. , Dooley M. , Montgomery J. , Murby B. Skeletal effects of oral oestrogen compared with subcutaneous oestrogen and testosterone in post-menopausal women. BMJ 1988; 297: 331–3