Bhatt RD, Sitaula S, Pradhan T, Manandhar T, Basnet T. Risk Factors and Outcome of Patients with Obstetric Anal Sphincter Injuries (OASIS). JBPKIHS [Internet]. 2018 Dec. 21 [cited 2024 Nov. 22];1(2):69-72. Available from: https://nepjol.info./index.php/jbpkihs/article/view/22082