Risk of Ulcerative Colitis among Former and Current Cigarette Smokers
Boyko, Edward J., Koepsell, Thomas D., Perera, David R., Inui, Thomas S.Volume:
316
Language:
english
Journal:
New England Journal of Medicine
DOI:
10.1056/nejm198703193161202
Date:
March, 1987
File:
PDF, 725 KB
english, 1987