@article{Khuder1999,
author = {Khuder, S.A. and Dayal, H.H. and Mutgi, A.B.},
title= {Age at smoking onset and its effect on smoking cessation},
year = {1999},
doi = {10.1016/S0306-4603(98)00113-0},
journal = {Addictive Behaviors},
volume = {24},
number = {5},
pages = {673‒677},
}