Article Title,Year,Volume,Issue,Page Range,Author Basic review of the duties of dental assistants. Ergonomics in dental practice,1972,24,8,3-7,Holtkamp Ergonomics in the dental office,1972,24,7,26-27, Ergonomic considerations of laboratory equipment,1972,24,7,12-18, Ergonomics in the dental office,1972,24,6,20 passim,