title: Shortcoming in the diagnosis of TPMT deficiency in a patient with Crohn's disease using phenotyping only.
authors.forename: M
authors.initials: M
authors.lastname: Schwab
authors.forename: E
authors.initials: E
authors.lastname: Schaeffeler
authors.forename: C
authors.initials: C
authors.lastname: Marx
authors.forename: U
authors.initials: U
authors.lastname: Zanger
authors.forename: W
authors.initials: W
authors.lastname: Aulitzky
authors.forename: M
authors.initials: M
authors.lastname: Eichelbaum
mesh_terms: D003424:Crohn Disease / Q000175:diagnosis* / Q000201:enzymology / Q000235:genetics*; D003951:Diagnostic Errors; D006801:Humans; D008780:Methyltransferases / Q000172:deficiency / Q000235:genetics*; D010641:Phenotype
chemical_list: D008780:Methyltransferases; C022745:thiopurine methyltransferase