1. Andrew J, Rice Edwards JM, Rudolf N de M (1974) The Placement of Stereotaxic Lesions for Involuntary Movements other than in Parkinson’ s Disease. Acta Neurochirurg Suppl 21: 39–47
2. Arseni C, Maretsis M (1971) The surgical treatment of spasmodic torticollis. Neurochirurgia 14: 177–180
3. Bertrand C, Molina-Negro P, Martinez SN (1978) Combined Stereotactic and Peripheral Surgical Approach for Spasmodic Torticollis. Appi Neurophysiol 41: 122–133
4. Cooper IS (1965) Clinical and Physiological Implications of Thalamic Surgery for Dystonia and Torticollis. Bull NY Acad Med 41: 870–897
5. Dieckmann G, Hassler R (1968) Reizexperimente zur Funktion des Putamen der Katze. Journal f Hirnforschung 10: 187–225