References
- Axhausen (1926) Acta cbirurg. scand, 60
- Hermodsson (1936) Acta radiol
- Hermodsson (1944) ibid
- Lehmann (1922) D. Zschr. f. Chirurg, 178
- Nielsen (1932) Acta chirurg. scand
- Nielsen (1933) Acta orthop. scand
- Panner (1930) Ugeskrift f. Leger, 92
- Bibbing (1944) Acta radiol
- Schaefer (1935) Zbl. Chirurg