W. Boersma-van Ek

Effects of Supplemental Dietary Calcium on Quantitative and Qualitative Fecal Fat Excretion in Man

Jwm Welberg, Jan F. Monkelbaan, Elisabeth G.E. de Vries et al. · Annals of Nutrition and Metabolism · 1994 · 122 citations

Effects of oral calcium supplementation on intestinal bile acids and cytolytic activity of fecal water in patients with adenomatous polyps of the colon

Jwm Welberg, Jan H. Kleibeuker, Roelof van der Meer et al. · European Journal of Clinical Investigation · 1993 · 29 citations

Increased intestinal permeability during cytomegalovirus infection in renal transplant recipients

Eltjo F. de Maar, Jan H. Kleibeuker, W. Boersma-van Ek et al. · Transplant International · 1996 · 27 citations

Changes in Bile Acid Composition and Effect on Cytolytic Activity of Fecal Water by Ursodeoxycholic Acid Administration: a Placebo-Controlled Cross-over Intervention Trial in Healthy Volunteers

Britta A. P. van Gorkom, Roelof van der Meer, W. Boersma-van Ek et al. · Scandinavian Journal of Gastroenterology · 2002 · 19 citations

Increased intestinal permeability during cytomegalovirus infection in renal transplant recipients

Eltjo F. de Maar, Jan H. Kleibeuker, W. Boersma-van Ek et al. · Transplant International · 1996 · 16 citations