1. Successful separation of xiphopagus-conjoined twins
2. 2. E. L. Potter(1961 ) Pathology of the Fetus and Infants , 2nd edn , p.216 . Yearbook, Medical Publishers, Chicago.
3. 4. E. L. Potter(1961 ) Pathology of the Fetus and Infants , 2nd edn , pp.184 -98 . Yearbook, Medical Publishers, Chicago.
4. Surgical separation of conjoined twins