title: Laboratory testing in the porphyrias.
mesh_terms: D000047:Academies and Institutes; D001774:Blood Chemical Analysis / Q000379:methods; D005243:Feces / Q000032:analysis; D006801:Humans; D008856:Microscopy, Fluorescence; D011164:Porphyrias / Q000175:diagnosis*; D011166:Porphyrins / Q000032:analysis*; D013057:Spectrum Analysis
chemical_list: D011166:Porphyrins