title: Improvement in the determination of sulphur hexafluoride for use as a blood tracer.
mesh_terms: D005459:Fluorides / Q000097:blood*; D006801:Humans; D012995:Solubility; D013455:Sulfur / Q000097:blood; D013696:Temperature
chemical_list: D013455:Sulfur; D005459:Fluorides