title: Clues to the cells of origin in retinoblastoma.
mesh_terms: D002471:Cell Transformation, Neoplastic / Q000473:pathology; D002648:Child; D005134:Eye Neoplasms / Q000473:pathology* / Q000648:ultrastructure; D006801:Humans; D007231:Infant, Newborn; D010786:Photoreceptor Cells / Q000473:pathology / Q000648:ultrastructure; D012175:Retinoblastoma / Q000473:pathology* / Q000648:ultrastructure