title: [Retinoblastoma: first case with a ring chromosome 13 in black Africa].
mesh_terms: D044383:Black People; D002648:Child; D002869:Chromosome Aberrations; D002882:Chromosomes, Human, Pair 13; D005134:Eye Neoplasms / Q000235:genetics*; D006801:Humans; D012175:Retinoblastoma / Q000235:genetics*; D012303:Ring Chromosomes; D012675:Senegal
vernacular_title: Rétinoblastome: premier cas de chromosome 13 en anneau en Afrique noire.