Randomised trials on vitamin C.
Hemilä
Harri
H
D001205:Ascorbic Acid / Q000008:administration & dosage / Q000494:pharmacology*; D003139:Common Cold / Q000517:prevention & control; D019587:Dietary Supplements; D006801:Humans; D016032:Randomized Controlled Trials as Topic
D001205:Ascorbic Acid