Cesarean section for the second twin: a population-based study of occurrence and outcome

Line Engelbrechtsen, Elise Hoffmann Nielsen, Trine Perin, Anna Oldenburg, Ann Tabor, Lillian Skibsted, Danish Fetal Medicine Study Group, Birgit Bødker, Vibeke Ersbak, Anni Holmskov, Olav Bjørn Petersen, Lene Sperling, Inger Stornes, Helle Zingenberg