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Abstract
Mesh: See more » AssociationGastroenterologyInsurance CarriersManaged Care ProgramsOrganizational PolicyPractice Guidelines as TopicUnited States
Year: 1995 PMID: 7875497 DOI: 10.1016/0016-5085(95)90469-7
Source DB: PubMed Journal: Gastroenterology ISSN: 0016-5085 Impact factor: 22.682