1. Case of retroflexion of the gravid uterus during labour at term;Oldham;Trans Obstet Soc Lond,1859
2. Retroflexio uteri gravidi partialis: spontanruptur bei der Geburt;Maiss;Arch Gynaekol,1899
3. Posterior sacculation of bicornate uterus—cesarian section;Dorman;Am J Obstet Gynecol,1923
4. Unusual case of obstructed labour, due to retroflexion of the full-time gravid uterus;Oldfield;Trans North Engl Obstet Gynaecol Soc,1931
5. Caesarean section on an incarcerated retroverted gravid uterus at term;Murray;J Obstet Gynaecol Br Emp,1934