TY  - RPRT
TI  - Mastering the Ambulatory Patient Groups system.
AU  - E Poto-Dill
DO  - 10.1111/j.1945-1474.1998.tb00246.x
UR  - https://pubmed.ncbi.nlm.nih.gov/10177016/
ID  - 10177016
ER  -