@article{Helakorpi2004,
author = {Helakorpi, S. and Martelin, T. and Torppa, J. and Patja, K. and Vartiainen, E. and Uutela, A.},
title= {Did Finland’s Tobacco Control Act of 1976 have an impact on ever smoking? An examination based on male and female cohort trends},
year = {2004},
doi = {10.1136/jech.2003.015925},
journal = {Journal of Epidemiology and Community Health},
volume = {58},
number = {8},
pages = {649‒654},
}