Siahaan, G.; Mahdiah, M.; Siregar, I. R.; Sinaga, Y. G. A. RELATIONSHIP OF PROTEIN INPUT, VITAMIN C, FE WITH BLOOD COMPONENTS (HB, LEUKOSITES, AND HEMATOCRITES) IN SOCCER ATHLETES AT PPLP MEDAN. Medikora J. Ilmiah. Kes. Or. 2023, 22, 46-55.