Thyroxine.free^1st specimen post XXX challenge:SCnc:Pt:Ser/Plas:Qn
thyroxine.free^1st specimen post xxx challenge:scnc:pt:ser/plas:qn
Thyroxine.free^1st specimen post XXX challenge:SCnc:Pt:Ser/Plas:Qn
thyroxine.free^1st specimen post xxx challenge:scnc:pt:ser/plas:qn