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Intensification of mercaptopurine/methotrexate maintenance chemotherapy may increase the risk of relapse for some children with acute lymphoblastic leukemia.
Schmiegelow K, Björk O, Glomstein A, Gustafsson G, Keiding N, Kristinsson J, Mäkipernaa A, Rosthøj S, Szumlanski C, Sørensen TM, Weinshilboum R. Schmiegelow K, et al. Among authors: keiding n. J Clin Oncol. 2003 Apr 1;21(7):1332-9. doi: 10.1200/JCO.2003.04.039. J Clin Oncol. 2003. PMID: 12663723 Clinical Trial.
The Manton-Woodbury model for longitudinal data with dropouts.
Martinussen T, Keiding N. Martinussen T, et al. Among authors: keiding n. Stat Med. 1997 Jan 15-Feb 15;16(1-3):273-83. doi: 10.1002/(sici)1097-0258(19970215)16:3<273::aid-sim485>3.0.co;2-4. Stat Med. 1997. PMID: 9004397
256 results