TY - JOUR T1 - Case-mix adjustment in non-randomised observational evaluations: the constant risk fallacy. JO - J Epidemiol Community Health PY - 2007/11/01 AU - Nicholl J ED - DO - DOI: 10.1136/jech.2007.061747 VL - 61 IS - 11 SP - 1010 EP - 1013 Y2 - 2025/06/27 ER -