title: Placement of central venous lines in the premature infant.
mesh_terms: D002404:Catheterization / Q000295:instrumentation / Q000379:methods; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D010288:Parenteral Nutrition / Q000295:instrumentation / Q000379:methods*; D012826:Silicone Elastomers / Q000627:therapeutic use
chemical_list: D012826:Silicone Elastomers