1. E. G. Amos, ?Some problems of pathogenesis and treatment of torsion dystonia,? Author's abstract of thesis for Candidate of Medical Sciences, Leningrad (1972).
2. L. O. Badalyan, Manual of Child Age Neurology [in Russian], Moscow (1980), pp. 273?311.
3. V. P. Barkhatova and E. D. Markova, Zh. Nevropatol. Psikhiatr.,78, No. 8, 1121?1128 (1978).
4. E. S. Bondarenko and Yu. I. Malyshev, Zh. Nevropatol. Psikhiatr.,85, No. 10, 1472?1474 (1985).
5. E. S. Bondarenko and Yu. I. Malyshev, Diagnosis and Current Methods for Treatment of Hyperkinesis in Children [in Russian], Moscow (1988).