R Berrien. Show Affiliations »
Abstract
Mesh: See more » Cost ControlEconomics, Medical/trendsGroup Practice/economicsInsurance, Physician ServicesMassachusettsMedicaid/economicsMedicare/economicsPhysicians, FamilyPractice Management, Medical/trendsPrimary Health Care/economicsPrivate Practice/economics
Year: 1987 PMID: 3543676 DOI: 10.1056/NEJM198702053160610
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245