title: Letter: Heterochromia and Horner syndrome with neuroblastoma.
mesh_terms: D005127:Eye Color; D006258:Head and Neck Neoplasms / Q000150:complications*; D006732:Horner Syndrome / Q000150:complications*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009447:Neuroblastoma / Q000150:complications*; D010859:Pigmentation Disorders / Q000150:complications*