TY - JOUR T1 - Evaluating prognostic factors: implications for measurement of health care outcome. JF - Journal of Epidemiology and Community Health JO - J Epidemiol Community Health SP - 323 LP - 326 DO - 10.1136/jech.46.4.323 VL - 46 IS - 4 AU - M C Gulliford Y1 - 1992/08/01 UR - http://jech.bmj.com/content/46/4/323.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -