@article{326bc7c8ee3e4c54bf5c3124171d654c,
title = "Sustained clinical benefit and tolerability of methotrexate monotherapy after thiopurine therapy in patients with Crohn's disease",
author = "M.L. Seinen and C.Y. Ponsioen and N.K. Boer and B. Oldenburg and G. Bouma and C.J. Mulder and \{van Bodegraven\}, A.A.",
year = "2013",
language = "Undefined/Unknown",
volume = "11",
pages = "667--672",
journal = "Clinical Gastroenterology and Hepatology",
issn = "1542-3565",
publisher = "W.B. Saunders",
number = "6",
}