• Andrews V, Thakar R, Sultan AH. Structured hands-on training in repair of obstetric anal sphincter injuries (OASIS): an audit of clinical practice. Int Urogynecol J Pelvic Floor Dysfunct. 2009;20(2):193-9.
• Buppasiri P, Lumbiganon P, Thinkhamrop J, Thinkhamrop B. Antibiotic prophylaxis for third- and fourth-degree perineal tear during vaginal birth. Cochrane Database Syst Rev. 2014;10:CD005125.
• Cerro CR, Franco EM, Santoro GA, Palau MJ, Wieczorek P, Espuña-Pons M. Residual defects after repair of obstetric anal sphincter injuries and pelvic floor muscle strength are related to anal incontinence symptoms. Int Urogynecol J. 2016.
• Cornell K, De Souza A, Tacey M, Long DM, Veerasingham M. The effect of implementing a new guideline and operative pro forma on the detection and management of third- and fourth-degree perineal tears. Int J Womens Health. 2016;8:131-5. ed.). New York: Springer.
• Harding, A., & Prollius, A. (2017, April 27). OASIS: Obstetrical Anal Sphincter Injuries. Lecture presented at Academic Half Day in
• Harvey MA, Pierce M, Alter JE, Chou Q, Diamond P, Epp A, et al. Obstetrical Anal Sphincter Injuries (OASIS): Prevention, Recognition, and Repair. J Obstet Gynaecol Can. 2015;37(12):1131-48.
• Harvey M-A, Pierce M, Walter J-E, Chou Q, Diamond P, Epp A, et al. Obstetrical Anal Sphincter Injuries (OASIS): Prevention, Recognition, and Repair. Journal of Obstetrics and Gynaecology Canada. 2015;37(12):1131-48.
• Harvey, M., Pierce, M., Walter, J., Chou, Q., Diamond, P., Epp, A., Geoffrion, R., Larochelle, A., Maslow, K., Neustaedter, G.,
• Kirss J, Pinta T, Böckelman C, Victorzon M. Factors predicting a failed primary repair of obstetric anal sphincter injury. Acta Obstet Gynecol Scand. 2016;95(9):1063-9.
• Liabsuetrakul T, Lumbiganon P, Mori R, Gülmezoglu M, Souza JP, Health WGSoMaP. A secondary analysis of the WHO Global Survey on Maternal and Perinatal Health for antibiotics used in vaginal deliveries. Int J Gynaecol Obstet. 2014;124(3):240-3.
• Lindqvist PG, Jernetz M. A modified surgical approach to women with obstetric anal sphincter tears by separate suturing of external and internal anal sphincter. A modified approach to obstetric anal sphincter injury. BMC Pregnancy Childbirth. 2010;10:51.
• Lone, F., Sultan, A., Thakar, R. Obstetric Pelvic Floor and Anal Sphincter Injuries. The Obstetrician & Gynaecologist,
• Meeting, Vienna, Austria.
• Nordenstam J, Mellgren A, Altman D, López A, Johansson C, Anzén B, et al. Immediate or delayed repair of obstetric anal sphincter tears-a randomised controlled trial. BJOG. 2008;115(7):857-65.
• Pascali, D., Schulz, J., Wilkie, D., Sultan, A., Thakar, R. (2015). Obstetrical Anal Sphincter Injuries (OASIS): Prevention.
• (PROTECT)- Train the Trainer Program. Workshop presented at International Urogynecological Association (IUGA) 43rd Annual 
• Primary Repair. BMJ. 1994 Apr 2,308(6933):887-91.
• Recognition, and Repair. SOGC Clinical Practice Guideline. J Obstet Gynaecol Can, 37(12), 1131-1148.
• Sultan AH, Thakar R, Fenner DE. Perineal and Anal Sphincter Trauma - Diagnosis and Clinical Management. Published: 27 October 2008: Springer London; 2007.
• Sultan, A. H., Thakar, R., & Fenner, D. E. (2008). Perineal and Anal Sphincter Trauma: Diagnosis and Clinical Management (2nd
• Sultan, A., & Thakar, R. (2017, June 21). Hands-On Workshop on Diagnosis and Repair of 3rd/4th Degree Obstetric Tears.
• Sultan, A., & Thakar, R. (2018, June 26). Prevention and Repair Of perineal Trauma Episiotomy through Coordinated Training
• Sultan, A., Kamm, M., Hudson, C., Bartram, C. Third Degree Obstetric Anal Sphincter Tears: Risk Factors and Outcome of
• The Management of Third- and Fourth-Degree Perineal Tears. RCOG Green-Top Guideline No.29. June 2015.
• University of Saskatchewan, Saskatoon.
• Workshop presented at International Urogynecological Association (IUGA) 42nd Annual Meeting, Vancouver, Canada.