Central Neurosurgical Institute u.m. ? Polenov Tsentral'nyi neirokhirurgicheskii institut imeni Polenova; The Institute of Rehabilitation Medicine in New York City.

1. Central Neurosurgical Institute u.m. ? Polenov Tsentral'nyi neirokhirurgicheskii institut imeni Polenova; The Institute of Rehabilitation Medicine in New York City.
2. Radial Graph