AdamsP.MuirH.:
Qualitative changes with age of proteoglycans of human lumbar discs.Am Rheum Dis35:
289,
1976
2.
AshleyD. T. B.:
Evan's Histological Appearances of Tumors,
vol. 1,
3rd ed.,
p. 319.
Churchill Livingstone,
Edinburgh, London, New York,
1978
3.
BeadleO. A.:
The intervertebral discs. Observations on their normal and morbid anatomy in relation to certain spinal deformities.
Medical Research Council, Special Report Series, No. 161,
p. 26.
His Majesty's Stationery Office,
London,
1931
4.
CongdonC. C.:
Benign and malignant chordomas. A clinico-pathological study of twenty-two cases.Am J Pathol28:
739,
1952
5.
ErlandsonR. A.TandlerB.LiebermanP. M.HiginbothamN. L.:
Ultrastructure of human chordoma.Cancer Res28:
2115,
1968
6.
PenaC. E.HorvatB. L.FisherE. R.:
The ultrastructure of chordoma.Am J Clin Pathol53:
544,
1970
7.
RibbertH.:
Geschwulstlehre für Aerzte und Studierende,
p. 149.
F. Cohen,
Bonn,
1904
