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13. The effects of beam quality and optical density on image quality in dental radiography. Price C. Oral Surg Oral Med Oral Pathol; 1986 Nov; 62(5):580-8. PubMed ID: 3466130 [Abstract] [Full Text] [Related]
15. Exposure reduction using yttrium filters in a cardiac catheterization unit. Campbell JM, Kuntzler CM, Nikesch W. Cathet Cardiovasc Diagn; 1986 Nov; 12(3):202-4. PubMed ID: 3731268 [Abstract] [Full Text] [Related]
16. [Study of the aluminum-zinc alloy as an alternative method of filtration in dental X-ray devices]. Haiter CF, Bóscolo FN, Haiter Neto F, de Almeida SM. Pesqui Odontol Bras; 2002 Nov; 16(1):77-82. PubMed ID: 11938723 [Abstract] [Full Text] [Related]