@article{article7dade42d,
title   = {Genetic analyses of smoking initiation, persistence, quantity, and age-at-onset of regular cigarette use in Brazilian families: the Baependi Heart Study},
author = {Horimoto, Andréa R. V. R. and Oliveira, Camila M. and Giolo, Suely R. and Soler, Júlia Maria Pavan and Andrade, Mariza de and Krieger, José E. and Pereira , Alexandre C.},
year = {2012},
doi = {10.1186/1471-2350-13-9},
journal   = {BMC Medical Genetics}
}