title: External Quality Assurance of laboratory analyses.
authors.forename: Rodney J
authors.initials: RJ
authors.lastname: Pollitt
mesh_terms: D000068:Accreditation; D002624:Chemistry, Clinical / Q000592:standards*; D004252:DNA Mutational Analysis; D005060:Europe; D006801:Humans; D007753:Laboratories / Q000592:standards*; D011785:Quality Assurance, Health Care; D011786:Quality Control; D015203:Reproducibility of Results