TY - JOUR A1 - Prospective Studies Collaboration T1 - Body-mass index and cause-specific mortality in 900 000 adults: Collaborative analyses of 57 prospective studies Y1 - 2009 DO - 10.1016/S0140-6736(09)60318-4 JF - The Lancet VL - 373 IS - 9669 SP - 1083 EP - -1096 ER -