[Smoking habits of Danes through 50 years: heavy smokers and non-heavy smokers].
Juel
Knud
K
Statens Institut for Folkesundhed, København.
D000328:Adult; D003718:Denmark / Q000453:epidemiology; D005260:Female; D049673:History, 20th Century; D006801:Humans; D008297:Male; D012907:Smoking / Q000453:epidemiology* / Q000266:history / Q000639:trends
Danskernes rygevaner gennem 50 år: storrygere og smårygere.