C E Lewis, R S Hassanein. Show Affiliations »
Abstract
Mesh: See more » Education, Medical, ContinuingFemaleHumansInfant MortalityInfant, NewbornKansasMaternal MortalityMathematicsMedicineObstetrics/educationPediatrics/educationPhysicians/supply & distributionPregnancyProfessional PracticeSpecializationStatistics as TopicSurgical Procedures, Operative
Year: 1970 PMID: 5410220 DOI: 10.1056/NEJM197001292820506
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245