title: Correspondence (letter to the editor): A big challenge.
authors: Armin
authors: A
authors: Mainz
mesh_terms: D006044:Goiter, Nodular / Q000175:diagnosis* / Q000628:therapy*; D006801:Humans; D013964:Thyroid Neoplasms / Q000175:diagnosis* / Q000628:therapy*; D016606:Thyroid Nodule / Q000175:diagnosis* / Q000628:therapy*