Ayuda Buscar en la ayuda Buscar en la ayuda Collider stratification bias II: magnitude of bias Banack, Hailey R [1] ; Mayeda, Elizabeth Rose [2] ; Fox, Matthew P [3] ; Naimi, Ashley I [4] ; Whitcomb, Brian W [5] [1] Epidemiology Division, Dalla Lana School of Public Health, University of Toronto , Toronto, ON M5T 3M7 , [2] Department of Epidemiology, UCLA Fielding School of Public Health , Los Angeles, CA 90095 , [3] Department of Epidemiology and Department of Global Health, Boston...