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