Morsicatio buccarum et labiorum:Two cases report
WANG Jia-yi1, LIU Wen-zhao2, LI Xiao-ying1, LI Zhangwei1, ZENG Xin1
West China Journal of Stomatology . 2009, (06): 681 -682 .  DOI: 10.3969/j.issn.1000-1182.2009.06.026