References
- Ziegler (1896) Text Book of special Pathological Anatomy
- Gross (1936) Arch. Surg., 32
- Bover (1928) Annals Surg., 88
- Danzis (1935) Am. J. Surg., 29
- Wilkie (1913) Edinburgh medical J.
- Forssell & Key. (1916) Fortschritte
- Lawson (1935) Am. J. Radiology
- Muir (1933) Text Book of Pathology
- Dick & Illingworth. (1932) Text Book of Surgical Pathology