Comparison of Multi-space Infections of the Head and Neck in Adults and the Aged Patients: 
A Retrospective Study of 242 Cases
ZHENG Ling-yan1, ZHANG Wei-jie1, YANG Chi1, CAI Xie-yi1, JIANG Bin1, WANG Bao-li1,
《Journal of Oral and Maxillofacial Surgery》 . 2013, (5): 364 -368 .  DOI: 10.3969/j.issn.1005-4979.2013.05.009