BaastrupC. I.: On the spinous processes of the lumbar vertebrae and the soft tissues between them, and on pathological changes in that region. Acta radiol.14(1933), 52.
2.
HackettG. S.: Ligament and tendon relaxation (skeletal disability) treated by prolotherapy (fibro-osseous proliferation). Charles C. Thomas, Springfield1958.
3.
JokinenT.: Tensile strength of the whole-thickness skin graft used as replacement of tendon and ligament defects. An experimental study. Acta orthop. scand. Suppl.36(1958).
4.
KallioK. E.: Personal communication (1958).
5.
KhllgrenJ. H.: On the distribution of pain arising from deep somatic structures. Clin. Sci.4(1939), 35.
6.
MagnusonP. B.: Differential diagnosis of causes of pain in the lower back accompanied by sciatic pain. Ann. Surg.119(1944), 878.
7.
NewmanP. H.: Sprung back. J. Bone Jt Surg. 34 B (1952), 30.
8.
RissanenP.: Personal communication (1958).
9.
SpalteholzW.: Handatlas der Anatomie des Menschen. I. S. Hirzel, Leipzig1929.
