title: Fecal porphyrin screening.
authors.forename: A C
authors.initials: AC
authors.lastname: Deacon
mesh_terms: D005243:Feces / Q000032:analysis*; D006801:Humans; D008403:Mass Screening; D011164:Porphyrias / Q000517:prevention & control*; D011166:Porphyrins / Q000032:analysis*
chemical_list: D011166:Porphyrins