Boerma GJ - Search Results

1

Suitability of various control sera for use in testing the accuracy of cholesterol determination with enzymic kits.

Demacker PN, Boerma GJ, Jansen AP. Demacker PN, et al. Among authors: boerma gj. Clin Chem. 1984 Jun;30(6):875-8. Clin Chem. 1984. PMID: 6723044

2

Minimizing interlaboratory variation in routine assays of serum cholesterol through the use of serum calibrators.

Boerma GJ, Jansen AP, Jansen RT, Leijnse B, van Strik R. Boerma GJ, et al. Clin Chem. 1986 Jun;32(6):943-7. Clin Chem. 1986. PMID: 3708817

3

Evaluation of accuracy of 20 different test kits for the enzymic determination of cholesterol.

Demacker PN, Boerma GJ, Baadenhuijsen H, van Strik R, Leijnse B, Jansen AP. Demacker PN, et al. Among authors: boerma gj. Clin Chem. 1983 Nov;29(11):1916-22. Clin Chem. 1983. PMID: 6627629

4

Testing the accuracy of total cholesterol assays in an external quality-control program. Effect of adding sucrose to lyophilized control sera compared with use of fresh or frozen sera.

Baadenhuijsen H, Demacker PN, Hessels M, Boerma GJ, Penders TJ, Weykamp C, Willems HL. Baadenhuijsen H, et al. Among authors: boerma gj. Clin Chem. 1995 May;41(5):724-30. Clin Chem. 1995. PMID: 7729052

5

Qaulity control and the quality of commercial test sera.

Jansen AP, van Kampen EJ, Meijers CA, van Munster PJ, Boerma GJ. Jansen AP, et al. Among authors: boerma gj. Clin Chim Acta. 1978 Mar 1;84(1-2):255-8. doi: 10.1016/0009-8981(78)90503-x. Clin Chim Acta. 1978. PMID: 639311 No abstract available.

6

Improved preparation of cholesterol calibration and control sera.

Terlingen JB, van Dreumel HJ, van Heiningen A, Boerma GJ, Koedam JC. Terlingen JB, et al. Among authors: boerma gj. Clin Chem. 1985 Jul;31(7):1201-3. Clin Chem. 1985. PMID: 4006192

7

Revised calibration of the Reflotron cholesterol assay evaluated.

Boerma GJ, van Gorp I, Liem TL, Leijnse B, Bellm J, Carstensen CA. Boerma GJ, et al. Clin Chem. 1988 Jun;34(6):1124-7. Clin Chem. 1988. PMID: 3378332

8

Multicentre study of a new enzymatic method of cholesterol determination.

Kattermann R, Jaworek D, Möller G, Assmann G, Björkhem I, Svensson L, Borner K, Boerma G, Leijnse B, Desager JP, et al. Kattermann R, et al. J Clin Chem Clin Biochem. 1984 Mar;22(3):245-51. doi: 10.1515/cclm.1984.22.3.245. J Clin Chem Clin Biochem. 1984. PMID: 6327876

9

Accuracy of Reflotron cholesterol assays evaluated.

Boerma GJ. Boerma GJ. Clin Chem. 1990 Mar;36(3):578-9. Clin Chem. 1990. PMID: 2107043 No abstract available.

10

Use of the Reflotron system for cholesterol assay in capillary blood, venous blood, and serum--evaluation of accuracy and lot-to-lot reagent comparability.

Boerma GJ, Gelderland J, van Gorp I, Leijnse B. Boerma GJ, et al. Clin Chem. 1988 Oct;34(10):2117-9. Clin Chem. 1988. PMID: 3139328

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