Simulated moderate altitude elevates serum erythropoietin but does not increase reticulocyte production in well-trained runners. - Ashenden,M.J.; Gore,C.J.; Dobson,G.P.; Boston,T.T.; Parisotto,R.; Emslie,K.R.; Trout,G.J.; Hahn,A.G. (Eur J Appl Physiol, 2000)