@article{Pirie2012,
author = {Pirie, K. and Peto, R. and Reeves, G.K. and Green, J. and Beral, V.},
title= {The 21st century hazards of smoking and benefits of stopping: a prospective study of one million women in the UK},
year = {2012},
doi = {10.1016/S0140-6736(12)61720-6},
journal = {Lancet},
volume = {381},
number = {9861},
pages = {133--141},
}