title: Letter: metabolite monitoring for thiopurines in Crohn's disease - still not fully understood.
authors.affiliation: IBD Unit, Department of Gastroenterology, Hospital Universitario Puerta de Hierro, Majadahonda, Madrid, Spain. ygonzalezlama@telefonica.net.
authors.forename: Y
authors.initials: Y
authors.lastname: González Lama
authors.forename: J P
authors.initials: JP
authors.lastname: Gisbert
mesh_terms: D001379:Azathioprine / Q000008:administration & dosage*; D003424:Crohn Disease / Q000188:drug therapy*; D005260:Female; D006801:Humans; D007166:Immunosuppressive Agents / Q000008:administration & dosage*; D008297:Male; D011355:Prodrugs / Q000008:administration & dosage*
chemical_list: D007166:Immunosuppressive Agents; D011355:Prodrugs; D001379:Azathioprine