For citations:

Ахтырская Е.Г., Новожилова Е.Н., Федотов А.П., Чумаков И.Ф. PROCEEDINGS OF CONFERENCE ON HEAD AND NECK TUMORS (APRIL 25, 2013, ST PETERSBURG, RUSSIA). Siberian journal of oncology. 2014;(1):64-65. (In Russ.)