References
- 1. Thomas L. (1998) Clinical LaboratoryDiagnostics. (pp. 80-86). 1st ed. Frankfurt: THBooks erlagsgesellschaft
- 2. Persijn J.P. & van der Silk W. (1976) A new method for the determination of gammaglutamyltransferase in serum. J Clin Chem ClinBiochem; 14, 421-7
- 3. Thomas L. (1998) Clinical LaboratoryDiagnostics. (pp. 136-146). 1st ed. Frankfurt: TH-Books Verlagsgesellschaft
- 4. Moss D.W. & Henderson R. (1999). Clinicalenzymology. (pp. 617-721). In: Burtis CA, Ashwood ER. eds. Tietz textbook of clinical chemistry. 3rd ed. Philadelphia: W. B. Saunders Company
- 5. Stressor. Pallipedia. Retrieved 2012-05-31
- 6. National Research Council (2001). Musculoskeletal Disorders and the Workplace:Low Back and Upper Extremities. (pp. 512). Washington, DC: The National Academies Press. National Academey Press. ISBN 0-309-07284-0
- 7. National Research Council (1999). Work-RelatedMusculoskeletal Disorders: Report, WorkshopSummary, and Workshop Papers. (pp. 240). National Academy Press. ISBN 0-309-06397-3
- 8. Ciudin E. & Marinescu D. (1996). Animale delaborator, (vol. I). (pp 99-136), Bucureşti: Ed. All
- 9. Snedecor G.W & Cochran W.G. (1980) Statisticalmethods (7th ed.) (pp. 334-364) Ames, Iowa: Iowa State University Press