1. Erratum [second correction];Anderson;Canadian Medical Association Journal,1973
2. Large-scale trials of vitamin C;Anderson;Annals of the New York Academy of Sciences,1975
3. Vitamin C and the common cold: a double-blind trial;Anderson;Canadian Medical Association Journal,1972
4. Vitamin C and the common cold [correction];Anderson;Canadian Medical Association Journal,1973
5. Ascorbic acid and common colds [letter];Spero;British Medical Journal,1973