Ziaie, Tahereh, et al. “Comparison of Wound Repair Outcomes of Chromic Catgut Versus Vicryl Sutures for Episiotomy Repair: A Clinical Trial”. Advances in Nursing & Midwifery, vol. 26, no. 92, Jan. 2017, pp. 1-5, doi:10.22037/anm.v26i92.15836.