Uchendu, Obiora, and Emmanuel Akpo. “Primary Gastrointestinal Tract Cancers in Nigeria, Epidemiological and Histopathological Study”. Asian Pacific Journal of Cancer Care 6, no. 1 (March 26, 2021): 3-7. Accessed May 19, 2024. https://waocp.com/journal/index.php/apjcc/article/view/438.