Contribution of preterm birth and subtypes to neonatal events, data from 1995–2004.
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PTB, preterm birth; NND, neonatal death.aData on prolonged stay in hospital for 1995–1999 only.
创建时间:
2015-12-02

PTB, preterm birth; NND, neonatal death.aData on prolonged stay in hospital for 1995–1999 only.