Mercaptopurine Ingestion Habits, Red Cell Thioguanine Nucleotide Levels, and Relapse Risk in Children With Acute Lymphoblastic Leukemia: A Report From the Children’s Oncology Group Study AALL03N1Wendy Landier, Ravi Bhatia, Yan-Jun Chen et al.|Journal of Clinical Oncology|2017Cited by 41