Hendee, William R. Quality assurance for conventional tomographic X-ray units / William R. Hendee and Raymond P. Rossi - Washington, D.C. : Health, Education and Welafare, 1979 - iv, 51 p. : ill. ; 27 cm. - Quality assurance diagonistic radiology . HEW publication (FDA) 80-8096 Subjects--Topical Terms: Radiography--MedicalRadiology--Medical Dewey Class. No.: 616.075722