CARDIORESPIRATORY FITNESS CHANGES AFTER A WEIGHT LOSS PROGRAM: EFFECTS ON HEMOGLOBIN AND HEMATOCRIT VALUES. RESULTS FROM THE PRONAF STUDY - Benito, P J; Peinado, A B; Calderon, F J; Rojo-Tira-Do, M A; Garcia-Zamorano, V; Gonzalez-Gross, M (Annals Of Nutrition And Metabolism, 2013)