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2. Genetic variation in response to 6-mercaptopurine for childhood lymphoblastic leukaemia;Lennard, L.; Ulleyman, J.S.; Van Loon, J.; Weinshilboum, R.M.;Lancet,1990
3. A reliable method for evaluating drug compliance in children with cancer;Smith, S.D.; Rosen, D.; Trueworthy, R.C.; Lowman, J.T.;Cancer,1979
4. Compliance of pediatric and adolescent cancer patients;Tebbi, C.K.; Cummings, K.M.; Zevon, M.A.; Smith, L.; Richards, M.; Mallon, J.;Cancer,1986
5. High performance liquid chromatographic assay of the methyl and nucleotide metabolites of 6-mercaptopurine: quantitation of red blood cell 6-thioguanine nucleotide, 6-thioinosinic acid and 6-methylmercaptopurine metabolites in a single sample;Lennard, L.; Singleton, H.;J Chromatogr,1992