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المؤلفون: A. C. M. Poel
المصدر: Australian Dental Journal. 19:127-130
مصطلحات موضوعية: Materials science, business.industry, Radiation Dosage, Collimated light, law.invention, Radiation Protection, Optics, law, Absorbed dose, Ionization chamber, Radiography, Dental, Humans, Nuclear medicine, business, General Dentistry, Diaphragm (optics), Beam (structure)