Measurement of urinary porphyrins and porphyrin precursors in Dutch hospital laboratories: a review of quality control over 5 yearsZUIJDERHOUDT, Floris M. J; WEYKAMP, Cas W; WILLEMS, Hans L et al.Annals of clinical biochemistry. 2003, Vol 40, pp 417-418, issn 0004-5632, 2 p., 4Article

New technique for diagnosis and monitoring of alcaptonuria: quantification of homogentisic acid in urine with mid-infrared spectrometryMARKUS, A. Patrick J. A; SWINKELS, Dorine W; JAKOBS, Bernadette S et al.Analytica chimica acta. 2001, Vol 429, Num 2, pp 287-292, issn 0003-2670Article

Introduction of the CKD-EPI equation to estimate glomerular filtration rate in a Caucasian populationVAN DEN BRAND, Jan A. J. G; VAN BOEKEL, Gerben A. J; WILLEMS, Hans L et al.Nephrology, dialysis, transplantation (Print). 2011, Vol 26, Num 10, pp 3176-3181, issn 0931-0509, 6 p.Article

Hepcidin : from discovery to differential diagnosisKEMNA, Erwin H. J. M; TJALSMA, Harold; WILLEMS, Hans L et al.Haematologica (Roma). 2008, Vol 93, Num 1, pp 90-97, issn 0390-6078, 8 p.Article

Profiling the humoral immune response in colon cancer patients : Diagnostic antigens from Streptococcus bovisTJALSMA, Harold; SCHÖLLER-GUINARD, Marie; LASONDER, Edwin et al.International journal of cancer. 2006, Vol 119, Num 9, pp 2127-2135, issn 0020-7136, 9 p.Article

Is serum cystatin C the marker of choice to predict glomerular filtration rate in paediatric patients?WILLEMS, Hans L; HILBRANDS, Luuk B; VAN DE CALSEYDE, John F et al.Annals of clinical biochemistry. 2003, Vol 40, pp 60-64, issn 0004-5632, 5 p., 1Article

Adsorption of erythropoietin and growth hormone to peritoneal dialysis bags and tubingSCHRÖDER, Cornelis H; SWINKELS, Leon M. J. W; REDDINGIUS, Roel E et al.Peritoneal dialysis international. 2001, Vol 21, Num 1, pp 90-92, issn 0896-8608Article

Beta-2-microglobulin is superior to N-acetyl-beta-glucosaminidase in predicting prognosis in idiopathic membranous nephropathyHOFSTRA, Julia M; DEEGENS, Jeroen K. J; WILLEMS, Hans L et al.Nephrology, dialysis, transplantation (Print). 2008, Vol 23, Num 8, pp 2546-2551, issn 0931-0509, 6 p.Article

Sodium sieving in childrenRUSTHOVEN, Esther; KREDIET, Raymond T; WILLEMS, Hans L et al.Peritoneal dialysis international. 2005, Vol 25, pp S141-S142, issn 0896-8608, SUP3Article

Serum L-lactate and pyruvate in HIV-infected patients with and without presumed NRTI-related adverse events compared to healthy volunteersTER HOFSTEDE, Hadewych J. M; WILLEMS, Hans L; KOOPMANS, Peter P et al.Journal of clinical virology. 2004, Vol 29, Num 1, pp 44-50, issn 1386-6532, 7 p.Article

No significant differences in peritoneal fluid handling in children using pH-neutral or acidic solutionsNOURSE, Peter; VAN DE KAR, Nicole C. A. J; WILLEMS, Hans L et al.Peritoneal dialysis international. 2006, Vol 26, Num 5, pp 587-592, issn 0896-8608, 6 p.Article

Peritoneal transport characteristics with glucose polymer-based dialysis fluid in childrenRUSTHOVEN, Esther; KREDIET, Raymond T; WILLEMS, Hans L et al.Journal of the American Society of Nephrology. 2004, Vol 15, Num 11, pp 2940-2947, issn 1046-6673, 8 p.Article