G. Onik

Cryosurgery re-visited for the removal and destruction of brain, spinal and orbital tumours.

J S Kennerdell, J C Maroon, J. Wilberger, 1992, Neurological research.

Percutaneous automated discectomy. A new approach to lumbar surgery.

G. Onik, J. Maroon, L. Sternau, 1989, Clinical orthopaedics and related research.