Jón Kristinsson

Incidence of juvenile idiopathic arthritis in the Nordic countries. A population based study with special reference to the validity of the ILAR and EULAR criteria.

Lillemor Berntson, Boel Andersson Gäre, Anders Fasth et al. · PubMed · 2003 · 251 citations

Possible carcinogenic effect of 6-mercaptopurine on bone marrow stem cells

Jens Bo Thomsen, Henrik Schr�der, Jón Kristinsson et al. · Cancer · 1999 · 172 citations · Full text

Age- and Sex-Specific Incidence of Childhood Leukemia by Immunophenotype in the Nordic Countries

Lisa Lyngsie Hjalgrim, Klaus Rostgaard, Kjeld Schmiegelow et al. · JNCI Journal of the National Cancer Institute · 2003 · 150 citations · Full text

Methotrexate/6-mercaptopurine maintenance therapy influences the risk of a second malignant neoplasm after childhood acute lymphoblastic leukemia: results from the NOPHO ALL-92 study

Kjeld Schmiegelow, Ibrahim Al-Modhwahi, Mette Klarskov Andersen et al. · Blood · 2009 · 146 citations · Full text

Intensification of Mercaptopurine/Methotrexate Maintenance Chemotherapy May Increase the Risk of Relapse for Some Children With Acute Lymphoblastic Leukemia

Kjeld Schmiegelow, Olle Björk, Anders Glomstein et al. · Journal of Clinical Oncology · 2003 · 124 citations