Authors: Michael T Lynskey; Andrew C Heath; Kathleen K Bucholz; Wendy S Slutske; Pamela A F Madden; Elliot C Nelson; Dixie J Statham; Nicholas G Martin Journal: JAMA Date: 2003 Jan 22-29 Impact factor: 56.272
Authors: Salvatore M Giacomuzzi; Markus Ertl; Yvonne Riemer; Haimo Rössler; Alexander Vigl; Hartmann Hinterhuber; Markus Kurz Journal: Wien Klin Wochenschr Date: 2004-02-28 Impact factor: 1.704