1. Arthrokatadysis. Report of a Case;Ghormley,1946
2. Adolescent deformities of the acetabulum: an investigation into the nature of protrusio acetabuli;Gilmour;Brit. J. Surg.,1939
3. Protrusio acetabuli;Golding;Brit. J. Surg.,1934
4. Otto's pelvis and other forms of protrusio acetabuli;Overgaard;Acta Radiol.,1935
5. Intrapelvic protrusion of the acetabulum (Otto's pelvis);Pomeranz;J. Bone & Joint Surg.,1932