Association between periodontal indexes and biomarkers in gingival crevicular fluid and preterm birth in pregnancy: a nested case-control study

Ye Chanjuan, Wu Min, Chen Shaowu, Yang Xiuqiao, Li Huijun, Zhu Sujun, Zhou Fangming, Hao Ying

West China Journal of Stomatology . 2021, (1): 58 -63 . DOI: 10.7518/hxkq.2021.01.009