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Impact of regionalisation and case-volume on neonatal and perinatal mortality: an umbrella review.

Felix WaltherDenise Bianca KüsterAnja BieberMario RüdigerJürgen MalzahnJochen SchmittStefanie Deckert
Published in: BMJ open (2020)
CRD42018094835.
Keyphrases
  • cardiovascular events
  • pregnant women
  • risk factors
  • meta analyses
  • randomized controlled trial