Analgesic and sedative effects of different doses of sufentanil in PCIA after maxillofacial fracture internal fixation operation and adverse reactions
ZHANG Cheng-zhang, LI Zhen-wei
Journal of Hebei Medical University . 2020, (7): 819 -823 .  DOI: 10.3969/j.issn.1007-3205.2020.07.017