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50 Years Ago in The Journal of Pediatrics: Premature Infant Mortality
Authors:K.S. Joseph  Michael S. Kramer
Affiliation:a Department of Obstetrics & Gynaecology and of Pediatrics, Dalhousie University and the IWK Health Centre, Halifax, Nova Scotia, Canada
b Departments of Pediatrics and of Epidemiology and Biostatistics, McGill University Faculty of Medicine, Montreal, Quebec, Canada
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