Santoso, B. I., Djusad, S., Hakim, S., Moegni, F., Meutia, A. P. and Priyantini, T. (2018) “Use of 2D and multislice transperineal ultrasonography to describe the degree of perineal laceration following vaginal delivery”, Medical Journal of Indonesia, 27(2), p. 108–13. doi: 10.13181/mji.v27i2.1908.