R. Sanson-Fisher, B. Bonevski, L. Green, and C. D'Este. American journal of preventive medicine, 33 (2):
155-61(August 2007)6271<m:linebreak></m:linebreak>LR: 20071115; JID: 8704773; RF: 61; 2006/05/18 received; 2007/02/20 revised; 2007/04/03 accepted; ppublish;.