Does smoking among friends explain apparent genetic effects on current smoking in adolescence and young adulthood?
Author: White, V M.  Published in: British Journal of Cancer, v. 98  no. 8, pp. 1475- 1481  Date: 2008
ISSN:  0007-0920,  EISSN:  1532-1827  DOI:  10.1038/sj.bjc.6604250