Thyroxine.free^2nd specimen post XXX challenge:SCnc:Pt:Ser/Plas:Qn
thyroxine.free^2nd specimen post xxx challenge:scnc:pt:ser/plas:qn
Thyroxine.free^2nd specimen post XXX challenge:SCnc:Pt:Ser/Plas:Qn
thyroxine.free^2nd specimen post xxx challenge:scnc:pt:ser/plas:qn