title: College of American pathologists: proficiency testing in coagulation.
authors.affiliation: Dept. of Pathology, UTHSCSA, San Antonio, Texas, USA.
authors.forename: John D
authors.initials: JD
authors.lastname: Olson
mesh_terms: D001780:Blood Coagulation Tests / Q000592:standards*; D006405:Hematology / Q000592:standards*; D006801:Humans; D007753:Laboratories / Q000592:standards*; D011786:Quality Control; D015203:Reproducibility of Results; D012955:Societies, Medical / Q000592:standards*; D014481:United States