Maternal risks and perinatal outcome in a Danish national cohort of 1005 twin pregnancies: the role of <i>in vitro</i> fertilizationAnja Pinborg, Anders Nyboe Andersen, Lone Schmidt et al.|Acta Obstetricia Et Gynecologica Scandinavica|2003Cited by 81
Maternal risks and perinatal outcome in a Danish national cohort of 1005 twin pregnancies: the role of in vitro fertilizationAnja Pinborg, Anders Nyboe Andersen, Anne Loft et al.|Acta Obstetricia Et Gynecologica Scandinavica|2004Cited by 15