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7. An evaluation of nitrous oxide oxygen analgesia after two years of use. Jeffery DE. Ark Dent J; 1973 Jun; 44(2):13-4. PubMed ID: 4200094 [No Abstract] [Full Text] [Related]
11. [The use and need for general anesthesia and nitrous oxide analgesia in dental practice]. Bjorvatn K, Gjengstø H, Vik B. Nor Tannlaegeforen Tid; 1978 Mar; 88(3):98-100. PubMed ID: 273206 [No Abstract] [Full Text] [Related]
19. On compliance with the dental practice act. Valinoti JR. N Y State Dent J; 1989 Nov; 55(9):12. PubMed ID: 2812627 [No Abstract] [Full Text] [Related]