Malignant orofacial neoplasms in children and adolescents: A clinicopathologic review of cases in a Nigerian tertiary hospital - Ajayi, Oluseyi Folake; Adeyemo, Wasiu Lanre; Ladeinde, Akinola Ladipo; Ogunlewe, Mobolanle Olugbemiga; Omitola, Olufemi Gbenga; Effiom, Olajumoke Ajibola; Arotiba, Godwin Toyin (International Journal of Pediatric Otorhinolaryngology, 2007)