[Research on twins and tobacco smoking].
D000368:Aged; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D012107:Research Design; D012907:Smoking / Q000401:mortality*; D013548:Sweden; D014427:Twins
Tvillingundersökningar och tobaksrökning