Maxillary Sinus Calculus: One Case Report
LUO Yuan, LIU Shi-xun, JI Yu-di, DUAN Shi-yong
《Journal of Oral and Maxillofacial Surgery》 . 2012, (3): 227 -228 .  DOI: 10.3969/j.issn.1005-4979.2012.03.019