A.π/3
B.π/6
C.-π/3
D.-π/6
[单选题]A.π/3B.π/6C.-π/3D.-π/6
[单选题]A.B.C.D.
[单选题]A.Graves病B.继发性甲亢C.D.TSH的受体或受体后缺陷E.原发性甲低