Endoscopic surgery of the paranasal sinuses and skull base neoplasms with the use of the computerassisted navigation system (CANS) in pediatric practice - PDF (Russian)
Copyright (c) 2016 Vorozhtsov I.N., Grachev N.S., Nasedkin A.N.
![Creative Commons License](http://licensebuttons.net/l/by/4.0/88x31.png)
This work is licensed under a Creative Commons Attribution 4.0 International License.