Physical activity and the risk of pneumonia in male smokers administered vitamin E and beta-carotene

International Journal of Sports Medicine (2006) - Comments
pubmed: 16572378 doi: 10.1055/s-2005-865670 issn: 0172-4622 issn: 1439-3964

H. Hemilä, J. Kaprio, D. Albanes, J. Virtamo