1. Bakris, G.L., E.R. Sauter, J.L. Hussey, J.W. Fisher, A.O. Gaber and R. Winsett (1990). Effects of theophylline on erythropoietin production in normal subjects and in patients with erythrocytosis after renal transplantation. N. Engl. J. Med. 323: 86–90.
2. Balter, M.S., K.R. Chapman and A.S. Rebuck (1992). Erythropoietin response to acute hypoxaemia in patients with chronic pulmonary disease. Chest 102: 482–485.
3. Cahan, C., P.L. Hoekje, E. Goldwasser, M.J. Decker and K.P. Strohl (1990). Assessing the characteristic between length of hypoxic exposure and serum erythropoietin levels. Am. J. Physiol. 258: 1016–1021.
4. Cohen, R.A., M.E. Miller, J.F. Garcia, G. Moccia and E.P. Cronkite (1981). Regulatory mechanism of erythropoietin production: effects of hypoxemia and hypercarbia. Exp. Hematol. 5: 513–521.
5. Eckardt, K.-U., U. Boutellier, A. Kurtz, M. Schopen, E.A. Koller and C. Bauer (1989). Rate of erythropoietin formation in humans in response to acute hypobaric hypoxia. J. Appl. Physiol. 66: 1785–1788.