1[1]Geroge RJ. Improving productivity in the dental practice: a starting point. N Z Dent J, 1996,92(409) :73 - 5.
2[2]J. Ellis Paul. A Manual of Four-Handed Dentistry, 1980.
3[3]Marshall ED, Duncombe LM, Robinson RQ, et al. Musculoskeletal symptoms in New South Wales dentists. Aust Dent J, 1997,42 (4):240 - 6.
4[4]Joseph E. Chasteen. Four - handed dentistry in clinical practice,1978,1 - 10.
5[5]Robinson R, Mclaughlan A. Infection control in practice. Infection control and clinical efficiency: are they compatible? Ann R Australas Coll Dent Surg, 1996,13:108 - 14.