References
- Rustad P, Felding P, Franzson L, Kairisto V, Lahti A, Martensson A, Hyltoft Petersen P, Simonsson P, Steensland H, Uldall A. The Nordic Reference Interval Project 2000: recom-mended reference intervals for 25 common biochemical properties, Scand J Clin Lab Invest 2004; 64: 271–84.
- Felding P, Rustad P, Martensson A, Kairisto V, Franzson L, Hyltoft Petersen P, Uldall A. Reference individuals, blood collection, treatment of samples and descriptive data from the questionnaire in the Nordic Reference Interval Project 2000. Scand J Clin Lab Invest 2004; 64: 327–42.
- Pedersen MM, Rustad P, Simonsson P. Certificate of analysis: NFKK Reference Serum X: a reprint. Scand J Clin Lab Invest 2004; 64: 321–26.
- Rustad P, Felding P, Hyltoft Petersen P, Lahti A. Descriptive analytical data and consequences for calculation of common reference intervals in the Nordic Reference Interval Project 2000 (NORIP). Scand J Clin Lab Invest 2004; 64: 343–70.