1. Vitamin C and the Common Cold;Pauling,1970
2. The administration of vitamin C in a large institution and its effect on general health and resistance to infection;Glazebrook;J Hygiene,1942
3. The value of ascorbic acid as a prophylactic against “common colds”;Dahlberg;Acta Med Scand,1944
4. Vitamin supplements and the incidence of colds in high school basketball players;Barnes;NC Med J,1961
5. Ascorbic acid and the common cold;Charleston;Lancet,1972