TY - JOUR AU - Patris, Alain AU - Gomez, Sandra AU - Mendelsohn, Marion PY - 2008 DA - 2008/11/27 TI - Refined French DRG with four severity levels JO - BMC Health Services Research SP - A8 VL - 8 IS - 1 SN - 1472-6963 UR - https://doi.org/10.1186/1472-6963-8-S1-A8 DO - 10.1186/1472-6963-8-S1-A8 ID - Patris2008 ER -