title: College of American Pathologists 2003 fresh frozen serum proficiency testing studies.
authors.forename: George G
authors.initials: GG
authors.lastname: Klee
authors.forename: Anthony A
authors.initials: AA
authors.lastname: Killeen
mesh_terms: D001800:Blood Specimen Collection / Q000592:standards; D003625:Data Collection; D006405:Hematology / Q000592:standards; D006801:Humans; D007753:Laboratories / Q000592:standards; D010338:Pathology, Clinical / Q000592:standards*; D010949:Plasma; D013048:Specimen Handling / Q000592:standards; D014481:United States