TY - JOUR T1 - The challenge of obesity treatment: avoiding weight regain JF - Canadian Medical Association Journal JO - CMAJ SP - 997 LP - 998 DO - 10.1503/cmaj.090427 VL - 180 IS - 10 AU - Robert Ross Y1 - 2009/05/12 UR - http://www.cmaj.ca/content/180/10/997.abstract ER -