TY - RPRT TI - Improving the TRISS methodology by restructuring age categories and adding comorbidities. AU - Eric Bergeron AU - Michel Rossignol AU - Turner Osler AU - David Clas AU - Andre Lavoie PY - 2004 DO - 10.1097/01.ta.0000119199.52226.c0 UR - https://pubmed.ncbi.nlm.nih.gov/15187738/ ID - 15187738 ER -