Vega, S. (1982). Does vitamin A prevent smokers from developing lung cancer?
Chicago-stil citatVega, Sileny. Does Vitamin A Prevent Smokers From Developing Lung Cancer? 1982.
MLA-referensVega, Sileny. Does Vitamin A Prevent Smokers From Developing Lung Cancer? 1982.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.