The dielectric function of NaCl from low scattering angle electron energy-loss spectroscopyABREU, R. A.Journal of electron spectroscopy and related phenomena. 1985, Vol 35, Num 1-2, pp 165-169, issn 0368-2048Article

Electron energy loss measurements on PbF₂, PbCl₂, PbBr₂ and PbI₂ABREU, R. A.Physics letters. A. 1984, Vol 100, Num 7, pp 375-378, issn 0375-9601Article

Analysis of DNA methylation of the 5' region of the deoxycytidine kinase gene in CCRF-CEM-sensitive and cladribine (CdA)- and 2-chloro-2'-arabino-fluoro-2'-deoxyadenosine (CAFdA)-resistant cellsLEEGWATER, P. A. J; DE ABREU, R. A; ALBERTIONI, F et al.Cancer letters. 1998, Vol 130, Num 1-2, pp 169-173, issn 0304-3835Article

Dihydropyrimidinase deficiency: Confirmation of the enzyme defect in dihydropyrimidinuriaVAN GENNIP, A. H; DE ABREU, R. A; VAN LENTHE, H et al.Journal of inherited metabolic disease. 1997, Vol 20, Num 3, pp 339-342, issn 0141-8955Conference Paper

Azathioprine-related bone marrow toxicity and low activities of purine enzymes in patients with rheumatoid arthritisKERSTENS, P. J. S. M; STOLK, J. N; DE ABREU, R. A et al.Arthritis and rheumatism. 1995, Vol 38, Num 1, pp 142-145, issn 0004-3591Article

Purine enzyme activities in peripheral blood mononuclear cells : comparison of a new non-radiochemical high-performance liquid chromatography procedure and a radiochemical thin-layer chromatography procedureSTOLK, J. N; DE ABREU, R. A; BOERBOOMS, A. M. T et al.Journal of chromatography. B, Biomedical applications. 1995, Vol 666, Num 1, pp 33-43Article

The IMP dehydrogenase inhibitor mycophenolic acid antogonizes the CTP synthetase inhibitor 3-deazauridine in molt-3 human leukemia cells : a central role for phosphoribosyl pyrophosphateVAN BERG, A. A; MOOYER, P. A. W; VAN LENTHE, H et al.Biochemical pharmacology. 1995, Vol 50, Num 7, pp 1095-1098, issn 0006-2952Article

In vitro inhibition of cell growth of molt-4 malignant human T-lymphoblasts by coenzyme F₄₂₀RAEMAKERS-FRANKEN, P. C; DE ABREU, R. A; WILLEMS, J. G et al.Biochemical pharmacology. 1991, Vol 41, Num 4, pp 561-566, issn 0006-2952, 6 p.Article

Purine de novo synthesis as the basis of synergism of methotrexate and 6-mercaptopurine in human malignant lymphoblasts of different lineagesBOKKERINK, J. P. M; BAKKER, M. A. H; HULSCHER, T. W et al.Biochemical pharmacology. 1988, Vol 37, Num 12, pp 2321-2327, issn 0006-2952Article

Calcium-phosphate metabolism in autosomal recessive idiopathic strio-pallidodentate calcinosis and Cockayne's syndromeSMITS, M. G; GABREELS, F. J. M; FROELING, P. G. A et al.Clinical neurology and neurosurgery. 1983, Vol 85, Num 3, pp 145-153, issn 0303-8467Article

Genotype and phenotype in patients with dihydropyrimidine dehydrogenase deficiencyVAN KUILENBURG, A. B. P; VREKEN, P; CHRISTENSEN, E et al.Human genetics. 1999, Vol 104, Num 1, pp 1-9, issn 0340-6717Article

Heterozygosity for a point mutation in an invariant splice donor site of dihydropyrimidine dehydrogenase and severe 5-fluorouracil related toxicityVAN KUILENBURG, A. B. P; VREKEN, P; BEEX, L. V. A. M et al.European journal of cancer (1990). 1997, Vol 33, Num 13, pp 2258-2264, issn 0959-8049Article

Detection and identification of 6-methylmercapto-8-hydroxypurine, a major metabolite of 6-mercaptopurine, in plasma during intravenous administrationKEUZENKAMP-JANSEN, C. W; VAN BAAL, J. M; DE ABREU, R. A et al.Clinical chemistry (Baltimore, Md.). 1996, Vol 42, Num 3, pp 380-386, issn 0009-9147Article

Metabolism of intravenously administered high-dose-6-mercaptopurine with and without allopurinol treatment in patients with non-Hodgkin lymphomaKEUZENKAMP-JANSEN, C. W; DE ABREU, R. A; BÖKKERINK, J. P. M et al.Journal of pediatric hematology/oncology. 1996, Vol 18, Num 2, pp 145-150, issn 1077-4114Article

Development of methionine synthase, cystathionine-β-synthase and S-adenosyl-homocysteine hydrolase during gestation in ratsVANAERTS, L. A. G. J. M; POIROT, C. M; HERBERTS, C. A et al.Journal of reproduction and fertility. 1995, Vol 103, Num 2, pp 227-232, issn 0022-4251Article

Argininosuccinic aciduria: clinical and biochemical findings in three children with the late onset form, with special emphasis on cerebrospinal fluid findings of amino acids and pyrimidinesGERRITS, G. P. J. M.; GABREËLS, F. J. M; MONNENS, L. A. H et al.Neuropediatrics. 1993, Vol 24, Num 1, pp 15-18, issn 0174-304XArticle

Biochemical evidence for synergistic combination treatment with methotrexate and 6-mercaptopurine in acute lymphoblastic leukemiaBÖKKERINK, J. P. M; DAMEN, F. J. M; HULSCHER, M. W et al.Haematology and blood transfusion. 1990, Vol 33, pp 110-117, issn 0171-7111Article

6-Mercaptopurine: high-dose 24-h infusions in goatsSCHOUTEN, T. J; DE ABREU, R. A; SCHRETLEN, E. D. A. M et al.Journal of cancer research and clinical oncology. 1986, Vol 112, Num 1, pp 61-66, issn 0171-5216Article

Discrepancies in ribonucleotide concentrations in human lymphocytes isolated from heparinized and defibrinized bloodDE ABREU, R. A; PETERS, G. J; BAKKEREN, J. A. J. M et al.Clinica chimica acta. 1985, Vol 145, Num 3, pp 349-355, issn 0009-8981Article

Purine enzymes in patients with rheumatoid arthritis treated with methotrexateVAN EDE, A. E; LAAN, R. F. J. M; DE ABREU, R. A et al.Annals of the rheumatic diseases. 2002, Vol 61, Num 12, pp 1060-1064, issn 0003-4967, 5 p.Article

Methotrexate in rheumatoid arthritis : An update with focus on mechanisms involved in toxicityVAN EDE, A. E; LAAN, R. F. J. M; BLOM, H. J et al.Seminars in arthritis and rheumatism. 1998, Vol 27, Num 5, pp 277-292, issn 0049-0172Article

Severe 5-fluorouracil toxicity caused by reduced dihydropyrimidine dehydrogenase activity due to heterozygosity for a G → A point mutationVAN KUILENBURG, A. B. P; VREKEN, P; BEEX, L. V. A. M et al.Journal of inherited metabolic disease. 1998, Vol 21, Num 3, pp 280-284, issn 0141-8955Article

Effects on transmethylation by high-dose 6-mercaptopurine and methotrexate infusions during consolidation treatment of acute lymphoblastic leukemiaKEUZENKAMP-JANSEN, C. W; DE ABREU, R. A; BLOM, H. J et al.Biochemical pharmacology. 1996, Vol 51, Num 9, pp 1165-1171, issn 0006-2952Article

Purine enzyme activities in recent onset rheumatoid arthritis : are there differences between patients and healthy controls ?STOLK, J. N; BOERBOOMS, A. M. T; DE ABREU, R. A et al.Annals of the rheumatic diseases. 1996, Vol 55, Num 10, pp 733-738, issn 0003-4967Article

Thiopurine methyltransferase: a review and a clinical pilot studyKEUZENKAMP-JANSEN, C. W; LEEGWATER, P. A. J; DE ABREU, R. A et al.Journal of chromatography. B, Biomedical applications. 1996, Vol 678, Num 1, pp 15-22Article