title: [Congenital cysts and fistulas of the neck. 1. Classification system].
mesh_terms: D001935:Branchioma; D003560:Cysts / Q000196:embryology*; D005402:Fistula / Q000196:embryology*; D006258:Head and Neck Neoplasms; D006801:Humans
vernacular_title: Cisti e fistole congenite del collo. Parte prima: Inquadramento nosologico.