40Which of the following is the most likely explanation for hypothyroidism in a patient whose iodine level is normal?
(A)more excellent production of T3 than of T4
(B)hyposecretion of TSH
(C) hypersecretion of MSH
(D) a decrease in the thyroid secretion of calcitonin
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統計: 尚無統計資料
統計: 尚無統計資料