TY - GEN AU - Berntson,Lillemor AU - Andersson Gäre,Boel AU - Fasth,Anders AU - Herlin,Troels AU - Kristinsson,Jon AU - Lahdenne,Pekka AU - Marhaug,Gudmund AU - Nielsen,Susan AU - Pelkonen,Pirkko AU - Rygg,Marite TI - 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 SN - 0315-162X PY - 2004///0203 KW - Adolescent KW - Age of Onset KW - Antibodies, Antinuclear KW - blood KW - Arthritis, Juvenile KW - Child KW - Child, Preschool KW - Female KW - Finland KW - epidemiology KW - Humans KW - Iceland KW - Incidence KW - Infant KW - Male KW - Prospective Studies KW - Scandinavian and Nordic Countries N1 - Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't ER -