作者: B Källén , O Finnström , A Lindam , E Nilsson , K-G Nygren
DOI: 10.1111/J.1471-0528.2010.02517.X
关键词:
摘要: Objective To compare neonatal outcome among twins conceived after in vitro fertilisation (IVF) with that of spontaneously twins. Design Comparison different-sex (dizygotic) born ...