Zarei, M., T. Zahedifard, and R. Nori. “Successful Treatment With Home Care During the Second Half of a Twin Pregnancy Complicated by a Short Cervix: A Case Report”. Biomedical Research and Therapy, Vol. 5, no. 02, Mar. 2018, pp. 2045-9, doi:10.15419/bmrat.v5i02.419.