1. Vitamin C and the Common Cold;Pauling,1970
2. Vitamin C and the common cold;Beaton;Can Med Assoc J,1971
3. Vitamin C and the common cold;Pauling;Can Med Assoc J,1971
4. Vitamin C and the common cold;Beaton;Can Med Assoc J,1971
5. Vitamin C prophylaxis in a boarding school;Coulehan;N Engl J Med,1974