Very low-birth weight infants: five years experience of a regional perinatal program.
Cordero
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Zuspan
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D015331:Cohort Studies; D006771:Hospitals, Maternity; D006801:Humans; D007226:Infant Mortality / Q000639:trends*; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D009820:Ohio; D012041:Regional Medical Programs / Q000639:trends*