Dai, Haiyan, Wei Zhang, Yingmei Zhao, Ying Shan, Xiuhong Pan, and Gang-Ming Zou. “Influence of Mental Stress on the Progress of Pregnancy: Prenatal and Postnatal Assessments”. American Journal of Translational Medicine 1, no. 1 (March 1, 2017): 57–63. Accessed April 27, 2024. https://ajtm.journals.publicknowledgeproject.org/index.php/ajtm/article/view/1171.