Nikiforova Lora, Sapundzhiev Nikolay, Kolova Penka, Boyadzhiev Georgi, Bradley Patrick
Medical University Prof. Dr. P. Stoyanov, Department of Neurosurgery and Ear, Nose and Trought Diseases, Division of Otorhinolaryngology, Varna, Bulgaria.
Medical University Prof. Dr. P. Stoyanov, Department of Neurosurgery and Ear, Nose and Trought Diseases, Division of Otorhinolaryngology, Varna, Bulgaria.
Braz J Otorhinolaryngol. 2020 Dec;86 Suppl 1(Suppl 1):30-34. doi: 10.1016/j.bjorl.2017.04.007. Epub 2017 May 9.