Detection effect of gingival crevicular fluid and serum matrix metalloproteinases in pregnant women with periodontitis on preterm birth prediction
TIAN Tian, WANG Aiqin
滨州医学院学报 . 2020, (2): 129 -131 .  DOI: 10.19739/j.cnki.issn1001-9510.2020.02.012