Histological types of ovarian tumours as seen in an African teaching hospital in north-eastern Nigeria. Obed JY, Khalil MI, Ekanem ED. J Obstet Gynaecol. 1999 Sep;19(5):526-8. doi: 10.1080/01443619964373. PMID: 15512382
Pattern of primary gastrointestinal tract malignancy among Saudi nationals: A retrospective study. Al-Mofarreh MA, Afzal M, Al-Kraida AA, Al-Qasabi QO, Fakunle YM, Abul Quasem SM, Baez-Giangreco A. Ann Saudi Med. 1991 Jan;11(1):15-8. doi: 10.5144/0256-4947.1991.15. PMID: 17588047
THE DISTRIBUTION, HISTOLOGIC PROFILE AND CLINICAL PRESENTATION OF GASTROINTESTINAL MALIGNANCIES IN LAGOS, NIGERIA. Habeebu MY, Salako O, Okediji PT, Mabadeje B, Awofeso OM, Ajekigbe AT, Abdulkareem FB. J West Afr Coll Surg. 2017 Jan-Mar;7(1):9-31. PMID: 29951453
Colorectal Carcinoma Screening in Lagos, Nigeria, Are We Doing it Right?. Onyekwere CA, Ogbera AO, Abdulkareem FB, Ashindoitiang J. Gastroenterology Res. 2009 Feb;2(1):38-42. doi: 10.4021/gr2009.01.1256. Epub 2009 Jan 20. PMID: 27956949