Relationship between Depression and Suicidal Ideation in Pregnant Women and Its Risk Factors 
YANG Wenjiao,CHEN Yu,XIAO Chaoqun,CHEN Weichen,GAO Yuanmin,WANG Jing
Chinese General Practice . 2020, (3): 305 -311 .  DOI: 10.12114/j.issn.1007-9572.2019.00.300