title: Heparin vs normal saline.
authors.forename: M L
authors.initials: ML
authors.lastname: Hook
authors.forename: P
authors.initials: P
authors.lastname: Ose
mesh_terms: D002408:Catheters, Indwelling / Q000451:nursing*; D006493:Heparin / Q000009:adverse effects / Q000627:therapeutic use*; D006801:Humans; D012965:Sodium Chloride / Q000627:therapeutic use*
chemical_list: D012965:Sodium Chloride; D006493:Heparin