M M Hasan1. Show Affiliations » 1. Health Systems International, Pueblo, CO 81003, USA.
Abstract
Mesh: See more » Delivery of Health Care/economicsDelivery of Health Care/methodsEconomic CompetitionHealth Care CostsInsurance, Health/economicsUnited States
Year: 1996 PMID: 8598846 DOI: 10.1056/NEJM199604183341610
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245