电邮这篇文章 
Organization of dental care residents of remote district of Ryazan area through outreach work in GBU PO "Dental polyclinic № 1» - PDF (俄文)
版权所有 © Peshkov M.V., Peshkov V.A., Gurevich K.G., 2014
此作品已接受知识共享署名 4.0国际许可协议的许可
Media Registry Entry of the Federal Service for Supervision of Communications, Information Technology and Mass Communications (Roskomnadzor) PI No. FS77-76803 dated September 24, 2019.