title: Letter by Kawada Regarding Article, "Cannabis, Tobacco, Alcohol Use, and the Risk of Early Stroke: A Population-Based Cohort Study of 45 000 Swedish Men".
authors.affiliation: Department of Hygiene and Public Health, Nippon Medical School, Tokyo, Japan.
authors.forename: Tomoyuki
authors.initials: T
authors.lastname: Kawada
mesh_terms: D000428:Alcohol Drinking; D002188:Cannabis; D015331:Cohort Studies; D006801:Humans; D008297:Male; D008385:Marijuana Smoking; D020521:Stroke; D013548:Sweden; D062789:Tobacco Products