The urinary excretion of orotic acid and orotidine, measured by an isotope dilution assay von Tax, W.J.M., Veerkamp, J.H., Schretlen, E.D.A.M.

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Purine metabolism in childhood acute lymphoblastic leukemia: Biochemical markers for diagnosis and chemotherapy von van Laarhoven, J.P.R.M., Spierenburg, G.Th, Bakkeren, J.A.J.M., Schouten, T.J., De Bruyn, C.H.M.M., Geerts, S.J., Schretlen, E.D.A.M.

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MEGALOBLASTIC ANÆMIA IN THE LESCH-NYHAN SYNDROME von Van Der Zee, S.P.M, Schretlen, E.D.A.M, Monnens, L.A.H

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The “short-term” iron rhythm von Werkman, H.P.Th, Trubels, J.M.F., Schretlen, E.D.A.M.

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Automated determination of serum iron and ferrioxamine in urine von Werkman, H.P.T., Trijbels, J.M.F., van Munster, P.J.J., Schretlen, E.D.A.M., Moerkerk, Coby

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