title: Phenylbutazone can spuriously elevate unextracted testosterone assay results in patients with ankylosing spondylitis.
authors.forename: E J
authors.initials: EJ
authors.lastname: Giltay
authors.forename: C
authors.initials: C
authors.lastname: Popp-Snijders
authors.forename: J C
authors.initials: JC
authors.lastname: van Denderen
authors.forename: D
authors.initials: D
authors.lastname: van Schaardenburg
authors.forename: L J
authors.initials: LJ
authors.lastname: Gooren
authors.forename: B A
authors.initials: BA
authors.lastname: Dijkmans
mesh_terms: D000328:Adult; D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000009:adverse effects* / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008875:Middle Aged; D010653:Phenylbutazone / Q000009:adverse effects* / Q000627:therapeutic use; D013167:Spondylitis, Ankylosing / Q000097:blood* / Q000188:drug therapy; D013739:Testosterone / Q000097:blood*
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal; D013739:Testosterone; D010653:Phenylbutazone