title: Inter-laboratory survey of erythrocyte free protoporphyrin quantification - announcement of a pilot study.
authors.forename: Michael
authors.initials: M
authors.lastname: Vogeser
authors.forename: Wilhelm
authors.initials: W
authors.lastname: Müller
authors.forename: Thomas
authors.initials: T
authors.lastname: Stauch
mesh_terms: D000293:Adolescent; D002648:Child; D003625:Data Collection; D004912:Erythrocytes; D006801:Humans; D007753:Laboratories; D015337:Multicenter Studies as Topic; D010865:Pilot Projects; D011524:Protoporphyrins / Q000097:blood*
chemical_list: D011524:Protoporphyrins