title: Results of a survey of diagnostic and therapeutic x-ray machines, Suffolk County, New York, 1972.
mesh_terms: D004781:Environmental Exposure; D005471:Fluoroscopy / Q000295:instrumentation; D009518:New York; D011835:Radiation Protection; D011859:Radiography / Q000295:instrumentation*; D011861:Radiography, Dental; D011878:Radiotherapy / Q000295:instrumentation*