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Cremer, J; Strüber, M; Wagenbreth, I; Nischelsky, J; Demertzis, S; Graeter, T; Abraham, C; Haverich, A (1999). Progression of steroid-associated osteoporosis after heart transplantation. Annals of thoracic surgery, 1(67), pp. 130-3. New York, N.Y.: Elsevier 10.1016/S0003-4975(98)01040-6
