@article{97c0e65c6c5a48bba6f2b8c6fad052fb,
title = "Methotrexate polyglutamates in erythrocytes are associated with lower disease activity in juvenile idiopathic arthritis patients",
author = "M.B. Calasan and \{den Boer\}, E. and \{de Rotte\}, MC. and S.J. Vastert and S. Kamphuis and \{de Jonge\}, R. and N.M. Wulffraat",
year = "2015",
month = feb,
doi = "10.1136/annrheumdis-2013-203723",
language = "English",
volume = "74",
pages = "402--407",
journal = "Annals of the Rheumatic Diseases",
issn = "0003-4967",
publisher = "Elsevier",
number = "2",
}