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1? ????????????????????????
2 ??????????
3 ???????????????


?????,T4 (?),3?(Liothyronine,),????????.??T 4 (?),???75~125g/d?,??,?????????(????).??,??70%.T3 ?.????,.??T4 ?????,?.??269????.????TSH(?????????).

T 3 ()??,??,?2.?T3 (25~50g/d),2~4????T3 ? ?300~1000ng/dl(4.62~15.4nmol/L),???,24??.????T3 ???,?????.,T3 ??,1???????,?????.

?T3 ???T3 T4 ??,??T3 ,T 3 ??.?T4 ,????T3 .?T4 , ?T3 ,???.?????T3 T4 , ??,??.

????,??T4 (200~500g)T3 (40g/d).?T4 50~100g/...