1. General practitioner clinical trials: ineffectiveness of vitamin C in treating coryza;Abbott;Practitioner,1968
2. Erratum [second correction];Anderson;Canadian Medical Association Journal,1973
3. Large-scale trials of vitamin C;Anderson;Annals of the New York Academy of Sciences,1975
4. Vitamin C and the common cold [correction];Anderson;Canadian Medical Association Journal,1973
5. Vitamin C and the common cold: a double-blind trial;Anderson;Canadian Medical Association Journal,1972