Ganiga, P., R. A. Sharma, and N. Pitty. “Relationship Between Perineal Body Length and the Occurrence of Perineal Lacerations in Low Risk Primigravidae: A Prospective Observational Study”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 11, no. 2, Jan. 2022, pp. 420-6, doi:10.18203/2320-1770.ijrcog20220164.