TY  - RPRT
TI  - Subspeciality training in neurosurgery.
AU  - C Ostertag
PY  - 1997
DO  - 10.1007/978-3-7091-6860-8_31
UR  - https://pubmed.ncbi.nlm.nih.gov/9253458/
ID  - 9253458
ER  -