Wawrzyniak, Katarzyna Comparison of clonidine and midazolam premedication before endoscopic sinus surgery: results of clinical trial. [electronic resource] - Clinical and experimental otorhinolaryngology Dec 2014 - 307-11 p. digital Publication Type: Journal Article ISSN: 1976-8710 Standard No.: 10.3342/ceo.2014.7.4.307 doi