Uroporphyrin/Porphyrins.total:MFr:24H:Stool:Qn
uroporphyrin/porphyrins.total:mfr:24h:stool:qn
Uroporphyrin/Porphyrins.total:Mass Fraction:24 hours:Stool:Quantitative
uroporphyrin/porphyrins.total:mass fraction:24 hours:stool:quantitative