NKWOCHA , Fortune Ifenyinwa; M S, Isabu. PREVALENCE AND PATTERNS OF ORAL HEALTH PROBLEMS AMONG ELDERLY PEOPLE IN PORT HARCOURT, NIGERIA: A CROSS-SECTIONAL STUDY. Keffi Hospital Journal, Keffi, Nigeria, v. 1, n. 3, 2026. Disponível em: https://keffihospitaljournal.fmckkonsult.org/index.php/khj/article/view/55. Acesso em: 19 oct. 2026.