1. Double pregnancy: Report of a case with 35 days between deliveries;Abrams;Obstet Gynecol,1957
2. Triplet pregnancy with second trimester abortion and delivery of twins at 35 weeks' gestation;Banchi;Obstet Gynecol,1984
3. Fatal ureaplasma infection in second twin born 60 days after delivery of the first in a patient with recurrent spontaneous abortion - a case report;Brion;J Perinat Med,1986
4. Triplet pregnancy with delivery on three separate days;Cardwell;Obstet Gynecol,1988
5. Erfolgreiche weitere Prolongation unreifer Zillingsschwangershaft durch Tocolyse une Re-Cerclage nach unaufhaltsamer Geburt des ersten Feten nach Notfall-Cerclage;Conradt;Geburtshilfe Frauenheilkd,1982