title: Abdominal tumours in African children: an experience at Ahmadu Bello University Teaching Hospital (ABUTH), Zaria, Nigeria, during 1977-1983.
mesh_terms: D000008:Abdominal Neoplasms / Q000453:epidemiology*; D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008223:Lymphoma / Q000453:epidemiology; D008297:Male; D009549:Nigeria; D012737:Sex Factors