E G McCarthy, G W Widmer. Show Affiliations »
Abstract
Mesh: See more » AdultAge FactorsAgedCholecystectomyEconomics, HospitalFemaleGynecologyHospitals/statistics & numerical dataHumansInsurance, HealthLabor UnionsMaleMastectomyMedical AuditMedicineMiddle AgedNew York CityOphthalmologyOrthopedicsOtolaryngologyProspective StudiesReferral and ConsultationSex FactorsSpecializationStatistics as TopicSurgical Procedures, OperativeUrologyUtilization Review
Year: 1974 PMID: 4427624 DOI: 10.1056/NEJM197412192912506
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245