title: Use of novel preparations of heparin to eliminate interference in ionized calcium measurements: have all the problems been solved?
authors.forename: J
authors.initials: J
authors.lastname: Toffaletti
mesh_terms: D001800:Blood Specimen Collection / Q000295:instrumentation / Q000379:methods*; D002118:Calcium / Q000097:blood*; D006493:Heparin; D006801:Humans
chemical_list: D006493:Heparin; D002118:Calcium