Pertsov, V. I., Telushko Yа. V., and S. I. Savchenko. “Capabilities of Pleural Cavities Ultrasound Examination in Pleural Empyema Stage Diagnosis”. Zaporozhye Medical Journal, no. 4 (July 13, 2018). Accessed May 4, 2024. http://zmj.zsmu.edu.ua/article/view/135656.