@article{44eb0503128649af9dbd59af427f579d,
title = "Azathioprine and 6 Mercaptopurine in postoperative maintenance of Crohn's disease remission: Is no evidence of effect an evidence of no effect? [3] (multiple letters)",
author = "Mardini, \{Houssam E.\} and Sandborn, \{William J.\} and Feagan, \{Brian G.\} and S. Ardizzone and G. Maconi and Porro, \{G. Bianchi\} and Sampietro, \{G. M.\}",
year = "2005",
month = jan,
doi = "10.1053/j.gastro.2004.11.035",
language = "English",
volume = "128",
pages = "246--248",
number = "1",
}