Donado Gómez, J. H.; Ramírez González, J. A.; Trujillo Castro, S. M.; Barco Atehortúa, G. E. .; Jaramillo Velásquez, S. Hemoglobin and Hematocrit Values in over One Hundred Thousand Donors at the Blood Bank at Hospital Pablo Tobón Uribe in Medellin, Colombia (1,538 m.a.s.L.). Med UPB 2013, 32 (2), 138-143.