Prevalence of abnormal vitamin D levels among Division I NCAA athletes - Villacis, D.; Yi, A.; Jahn, R.; Kephart, C. J.; Charlton, T.; Gamradt, S. C.; Romano, R.; Tibone, J. E.; Hatch, G. F. R. (Sports Health: A Multidisciplinary Approach, 2014)
Keywords: junior elite sport; youth; supplementation; vitamin; load; deficiency; USA; junior sports; biological and medical sciences