Santoso, B. I.; Djusad, S.; Hakim, S.; Moegni, F.; Meutia, A. P.; Priyantini, T. Use of 2D and Multislice Transperineal Ultrasonography to Describe the Degree of Perineal Laceration Following Vaginal Delivery. Med J Indones 2018, 27, 108–13.