2015. Are Obstetrics and Gynecology Residents Proficient in the Repair of Third and Fourth Degree Perineal Tears?An Anonymous Survey in a Teaching Hospital in North Central Nigeria. International Journal of Biomedical Research. 6, 6 (Jun. 2015), 399–401. DOI:https://doi.org/10.7439/ijbr.v6i6.2127.