1. Teratogenic effects of azathioprine;Gethens, J.H.; Rosenkrantz, J.G.; Tunnock, S.M.;Pediatr,1965
2. Steroids during pregnancy and possible fetal consequences;Bongiovanni, A.M.; McPadden, A.J.;Fertil Steril
3. Cyclosporin A in patients receiving renal allografts from cadaver donors;Clane, R.Y.C.; White, D.J.G.; Thiru, S.;Lancet,1978