References
- Eriksson S. Studies in alpha-1-antitrypsin deficiency. Acta Med Scand 1965; 177(suppl 432)1–85
- Sigsgaard T., Pedersen O. F., Juul S., Gravesen S. Respiratory disorders and atopy in cotton wool and other textile mill workers in Denmark. Am J Ind Med 1992; 22: 163–184
- Hyltoft P. Petersen, Hørder M. Influence of analytical quality on test results. Scand J Clin Lab Invest 1992; vol 52(suppl 208)65–87
- Fraser C. G. The application of theoretical goals based on biological variation data in proficiency testing. Arch Pathol Lab Med 1988; 112: 404–415