Risk Factors of Acute Chorioamnionitis and Funisitis in Pregnant Women Carrying Group B Streptococcus:a Case-control Study 
LU Chang1,JIANG Hai-li2,WANG Xin2*,JIA Chen-yang2,WANG Xiao-xin2,ZOU Li-ying2
Chinese General Practice . 2018, (17): 2068 -2071 .  DOI: 10.3969/j.issn.1007-9572.2018.00.197