Pamela A. F. Madden, Andrew C. Heath, Nancy L. Pedersen, Jaakko Kaprio, Markku J. Koskenvuo, Nicholas G. Martin,
The genetics of smoking persistence in men and women: a multicultural study. Behavior Genetics. ,vol. 29, pp. 423- 431 ,(1999) ,
10.1023/A:1021674804714