title: Failure to cancel tests: a case of an unnecessary joint arthrocentesis: a teachable moment.
authors.affiliation: Department of Medicine, University of Toronto, Toronto, Canada.
authors.forename: Amanda E
authors.initials: AE
authors.lastname: Goldberg
authors.affiliation: Department of Medicine, University of Toronto, Toronto, Canada.
authors.forename: Abi
authors.initials: A
authors.lastname: Vijenthira
authors.affiliation: Department of Medicine, University of Toronto, Toronto, Canada2Division of General Internal Medicine, Sunnybrook Health Sciences Centre, Toronto, Canada3Centre for Quality Improvement and Patient Safety, Department of Medicine, University of Toronto, Toro.
authors.forename: Brian M
authors.initials: BM
authors.lastname: Wong
mesh_terms: D000368:Aged; D001168:Arthritis / Q000150:complications / Q000175:diagnosis*; D042883:Choledocholithiasis / Q000150:complications; D003266:Continuity of Patient Care; D005260:Female; D006801:Humans; D019564:Unnecessary Procedures