title: Diagnostic value of thyrotrophin releasing hormone tests in elderly patients with atrial fibrillation.
mesh_terms: D000368:Aged; D001281:Atrial Fibrillation / Q000628:therapy*; D006801:Humans; D007037:Hypothyroidism / Q000175:diagnosis*; D013973:Thyrotropin-Releasing Hormone
chemical_list: D013973:Thyrotropin-Releasing Hormone