TY - JOUR AU - Schneeweiss, S; Maclure, M TI - Use of comorbidity scores for control of confounding in studies using administrative databases JO - Int J Epidemiol IS - 05 VL - 29 PY - 2000 DO - 10.1093/ije/29.5.891 L3 - PubMed-ID: 11034974 SP - 891 EP - 898 ER -