Ambulatory Patient Groups, Version 3.0–a classification system for payment of ambulatory visits
Goldfield, Norbert MD; Averill, Richard MS; Eisenhandler, Jon PhD; Grant, Thelma RRA:
Ambulatory Patient Groups, Version 3.0 — a classification system for payment of ambulatory visits
J Ambul Care Manage. 2008 Jan-Mar;31(1):2-16, Lippincott Williams & Wilkins
[DOI: 10.1097/01.JAC.0000304091.21087.08]
[Wolters & Kluver]

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