title: Trace element contamination in blood-collecting devices.
mesh_terms: D001800:Blood Specimen Collection / Q000295:instrumentation; D005069:Evaluation Studies as Topic; D005189:False Positive Reactions; D006801:Humans; D008722:Methods; D013048:Specimen Handling; D013052:Spectrometry, X-Ray Emission; D014131:Trace Elements / Q000097:blood; D015032:Zinc / Q000097:blood
chemical_list: D014131:Trace Elements; D015032:Zinc