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3. Musculoskeletal complaints in dental hygiene: a survey study from a Swedish county;T Oberg,1993
4. Garia PPNS. Risk factors for the development of musculoskeletal disorders in dental work;CD Presoto,2016
5. Postural Assessment of Students Evaluating the Need of Ergonomic Seat and Magnification in Dentistry;RA Dable,2014