title: Reasons for proficiency testing failures in clinical chemistry and blood gas analysis: a College of American Pathologists Q-Probes study in 665 laboratories.
authors.affiliation: Centers for Disease Control and Prevention, Public Health Practice Program Office, Division of Laboratory Systems, Laboratory Performance Assessment Branch, Chamblee, GA 30341, USA.
authors.forename: S J
authors.initials: SJ
authors.lastname: Steindel
authors.forename: P J
authors.initials: PJ
authors.lastname: Howanitz
authors.forename: S W
authors.initials: SW
authors.lastname: Renner
mesh_terms: D001784:Blood Gas Analysis / Q000592:standards*; D002568:Certification; D002624:Chemistry, Clinical / Q000592:standards*; D002983:Clinical Competence / Q000592:standards; D003625:Data Collection; D003951:Diagnostic Errors; D006801:Humans; D007755:Laboratories, Hospital / Q000592:standards*; D011785:Quality Assurance, Health Care