hypothyroidism and hyperthyroidismmethimazole for hyperthyroidismsubclinical hyperthyroidism treatmentamiodarone hyperthyroidismhyperthyroidism goiterdiagnosis of hyperthyroidismcongenital hyperthyroidismiatrogenic hyperthyroidismhyperthyroidism and pregnancyuntreated hyperthyroidismsecondary hyperthyroidismfactitious hyperthyroidism