TY  - BOOK
AU  - Ashraf Hesham Tawfik Abulnasr
AU  - Abdelaliem Abdelmonem Ragab , 
AU  - Mohamed Elmortada Elbastawisi , 
AU  - Salah Eldin Mohamed Kahla , 
TI  - Neurosurgical aspects of posterior skull base tumours / 
PY  - 1998///
CY  - Cairo : 
PB  - Ashraf Hesham Tawfik Abulnasrb , 
N1  - Thesis (Ph.D.) - Cairo University - Faculty of Medicine- Department of Neurosurgery
UR  - http://172.23.153.220/th.pdf
ER  -