The effect of vitamin C on upper respiratory infections in adolescent swimmers: a randomized trial
European Journal of Pediatrics (2011) - Comments
pubmed: 20689965  doi: 10.1007/s00431-010-1270-z  issn: 1432-1076  issn: 0340-6199 

Naama W. Constantini, Gal Dubnov-Raz, Ben-Bassat Eyal, Elliot M. Berry, Avner H. Cohen, Harri Hemilä