Vitamin D supplementation and upper respiratory tract infections in adolescent swimmers: A randomized controlled trial - Dubnov-Raz, G.; Rinat, B.; Hemila, H.; Choleva, L.; Cohen, A. H.; Constantini, N. W. (Pediatric Exercise Science, 2015)
Keywords: youth; child; swimming; health; disease; vitamin; supplementation; sports medicine; USA; biological and medical sciences; junior sports; strength and speed sports