RETRACTED: Clinical significance of ITPA rs67002563 polymorphism in patients with acute lymphoblastic leukemia treated with 6-mercaptopurine.

This article has been retracted at the request of the Authors as it was published without the knowledge of the full research group, using data that had already been published by the same research group in another study in Leukemia Research (http://dx.doi.org/10.1016/j.leukres.2015.06.016).