Kıran, Hakan, Murat Aral, Gürkan Kıran, Salih Serin, Deniz Cemgil Arıkan, Uğurkan Erkayıran, and Hasan Çetin Ekerbiçer. “Bacterial Contamination of Ultrasound Probes and Coupling Gels in a University Hospital in Turkey”. The European Research Journal 5, no. 4 (July 3, 2019): 582–587. Accessed May 22, 2026. https://www.eurj.org.tr/article/view/246.