Thyroxine.free^1.5H post XXX challenge:MCnc:Pt:Ser/Plas:Qn
thyroxine.free^1.5h post xxx challenge:mcnc:pt:ser/plas:qn
Free T4 1.5 Hr post Unsp challenge [Mass/Vol]
free t4 1.5 hr post unsp challenge [mass/vol]