title: Densitometers and sensitometers in QC.
authors.affiliation: X-Rite Inc. of Grandville, Mich.
authors.forename: D J
authors.initials: DJ
authors.lastname: Groenendyk
mesh_terms: D006801:Humans; D011785:Quality Assurance, Health Care; D011859:Radiography / Q000592:standards*; D013679:Technology, Radiologic / Q000295:instrumentation / Q000592:standards*