Authors: Arpana Agrawal; Julia D Grant; Andrew Littlefield; Mary Waldron; Michele L Pergadia; Michael T Lynskey; Pamela A F Madden; Alexandre Todorov; Timothy Trull; Kathleen K Bucholz; Richard D Todd; Kenneth Sher; Andrew C Heath Journal: J Stud Alcohol Drugs Date: 2009-03 Impact factor: 2.582