Ensuring access to the appropriate health care professionals: regionalization and centralization of care in a new era of health care financing and delivery.
Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania2Perelman School of Medicine at the University of Pennsylvania, Philadelphia3Center for Outcomes Research, Children's Hospital of Philadelphia, Philadelphia, Pennsylv.
Scott A
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D020345:Enterocolitis, Necrotizing / Q000401:mortality*; D005260:Female; D006801:Humans; D007226:Infant Mortality; D019102:Infant, Very Low Birth Weight; D007363:Intensive Care Units, Neonatal / Q000458:organization & administration*; D015931:Intensive Care, Neonatal / Q000458:organization & administration*; D008297:Male