TY - JOUR A1 - Lebel, A. A1 - Pampalon, R. A1 - Villeneuve, P.Y. T1 - A multi-perspective approach for defining neighbourhood units in the context of a study on health inequalities in the Quebec City region Y1 - 2007 DO - 10.1186/1476-072X-6-27 VL - 6 IS - 27 ER -