Clinical efficacy on Kangfuxin Liquid combined with Minocycline in treatment of chronic periodontitis and its effect on expression of PD-1 and PD-L1#br#
WANG Zhong-chao1， FAN Li-yuan2*， SUN Xiao-juan1， TAN Hong1， ZHOU Cong1， WU Bao-qin1
Journal of Hebei Medical University . 2020, (2): 181 -184,190 .  DOI: 10.3969/j.issn.1007-3205.2020.02.014