Diagnosis and Management of Concussion in Sports
Neurol 48:575-580, 5811997., Kelly,J.P.&Rosenberg,J.H., 1997
Recombinant Human Erythropoietin and Renal Anemia:Molecular Biology, Clinical Efficacy, and Nervous System Effects
Ann Int Med 114:402-416, Nissenson,A.R.,et al, 1991