title: Heparin-lock for repeated anesthesia in pediatric radiation therapy.
mesh_terms: D000776:Anesthesiology / Q000379:methods*; D002408:Catheters, Indwelling; D002675:Child, Preschool; D006493:Heparin; D006801:Humans; D007223:Infant; D007275:Injections, Intravenous / Q000295:instrumentation*; D010372:Pediatrics; D011878:Radiotherapy / Q000379:methods*
chemical_list: D006493:Heparin