[Effect of blood donation on the level of physical activity of sportsmen].
D000222:Adaptation, Physiological; D000328:Adult; D001782:Blood Donors; D001815:Bloodletting; D006801:Humans; D008297:Male; D013177:Sports; D014938:Work Capacity Evaluation
Vliianie krovodachi na uroven' fizicheskoĭ aktivnosti spostsmenov.