%0 Journal Article %T Vitamin C supplementation and upper respiratory tract infections in marathon runners %A SHARON A. HIMMELSTEIN %A ROBERT A. ROBERGS %A KATHLEEN M. KOEHLER %A SHARON L. LEWIS %A CLIFFORD R. QUALLS %J Journal of Exercise Physiology - Online %D 1998 %I American Society of Exercise Physiologists %K COLD %K ASCORBIC ACID %K RUNNING %K GENDER %K TRAINING %U http://www.asep.org/jan9.htm