La Rosa, G L Levothyroxine and potassium iodide are both effective in treating benign solitary solid cold nodules of the thyroid. [electronic resource] - Annals of internal medicine Jan 1995 - 1-8 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0003-4819 Standard No.: 10.7326/0003-4819-122-1-199501010-00001 doi Subjects--Topical Terms: AgedFemaleFollow-Up StudiesHumansMaleMiddle AgedPotassium Iodide--therapeutic useThyroid Nodule--diagnostic imagingThyroxine--therapeutic useUltrasonography