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13. Collimation for radiation safety. Warman E, Weidman B. J N J Dent Assoc; 1976 Jan; 47(4):38-40. PubMed ID: 1075183 [No Abstract] [Full Text] [Related]
14. [Conditions influencing X-ray equipment use and radiation protection methods by dentists in the city of São Paulo]. de Melo MF, de Freitas A, Abramowicz M. Rev Fac Odontol Sao Paulo; 1985 Jan; 23(2):89-105. PubMed ID: 3880308 [No Abstract] [Full Text] [Related]