TY  - BOOK
AU  - Abdelrhman Mohamed Aziz Hussen 
AU  - Mohamed Abdelrhman Merdan , 
AU  - Said Mohamed Abdelaziz , 
TI  - Comparative microscopic evaluation of the root canals prepared by hand, sonic and ultrasonic instrumentation / 
PY  - 1994///
CY  - Cairo : 
PB  - Abdelrhman Mohamed Aziz Hussen , 
N1  - Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Endodontics
UR  - http://172.23.153.220/th.pdf
ER  -