Association Between Cannabis Use and Psychosis-Related Outcomes Using Sibling Pair Analysis in a Cohort of Young Adults

J McGrath, J Welham, J Scott, D Varghese, L Degenhardt, M. R Hayatbakhsh, R Alati, G. M Williams, W Bor and J. M. Najman

Archives of General Psychiatry 67 ( 5 ): 440 - 447 , 2010