The effect of vitamin E on common cold incidence is modified by age, smoking and residential neighborhood
Journal of the American College of Nutrition (2006) - Comments
pubmed: 16943455  issn: 0731-5724  doi: 10.1080/07315724.2006.10719543  issn: 1541-1087 

Harri Hemilä, Jarmo Virtamo, Demetrius Albanes, Jaakko Kaprio