中国口腔颌面外科杂志
178例儿童埋伏多生牙拔除难度的临床分级
沈燕，石羽，周建国，沈海平
Clinical classification of extraction difficulty for embedded multiple teeth in 178 children
SHEN Yan, SHI Yu，ZHOU Jian-guo, SHEN Hai-ping.
中国口腔颌面外科杂志 . 2018, (3): 259 -262 .  DOI: 10.19438/j.cjoms.2018.03.013