UCHENDU, Obiora Jude; AKPO, Emmanuel Esaba. Primary Gastrointestinal Tract Cancers in Nigeria, Epidemiological and Histopathological Study. Asian Pacific Journal of Cancer Care, [S. l.], v. 6, n. 1, p. 3–7, 2021. DOI: 10.31557/apjcc.2021.6.1.3-7. Disponível em: http://www.waocp.com/journal/index.php/apjcc/article/view/438. Acesso em: 29 may. 2026.