Dai, H. ., Zhang, W., Zhao, Y., Shan, Y., Pan, X., & Zou, G.-M. (2017). Influence of Mental Stress on the Progress of Pregnancy: Prenatal and Postnatal Assessments. American Journal of Translational Medicine, 1(1), 57–63. Retrieved from https://ajtm.journals.publicknowledgeproject.org/index.php/ajtm/article/view/1171