Seasonal variation in thyroid function.
D001315:Australia; D002648:Child; D006801:Humans; D006980:Hyperthyroidism / Q000453:epidemiology; D007457:Iodine Radioisotopes; D012621:Seasons; D013960:Thyroid Function Tests; D013961:Thyroid Gland / Q000502:physiology*
D007457:Iodine Radioisotopes