title: Hydroxychloroquine does not decrease serum methotrexate concentrations in children with juvenile idiopathic arthritis.
authors.forename: Jarkko
authors.initials: J
authors.lastname: Haapasaari
authors.forename: Hannu
authors.initials: H
authors.lastname: Kautiainen
authors.forename: Heikki
authors.initials: H
authors.lastname: Isomäki
authors.forename: Markku
authors.initials: M
authors.lastname: Hakala
mesh_terms: D001171:Arthritis, Juvenile / Q000097:blood* / Q000188:drug therapy; D002648:Child; D005260:Female; D006801:Humans; D006886:Hydroxychloroquine / Q000627:therapeutic use*; D008297:Male; D008727:Methotrexate / Q000097:blood*
chemical_list: D006886:Hydroxychloroquine; D008727:Methotrexate