title: Letter: Heparin and arterial thrombosis in children.
mesh_terms: D006328:Cardiac Catheterization / Q000009:adverse effects* / Q000379:methods; D002648:Child; D002675:Child, Preschool; D006493:Heparin / Q000008:administration & dosage / Q000627:therapeutic use*; D006801:Humans; D007223:Infant; D013927:Thrombosis / Q000209:etiology / Q000517:prevention & control*; D013997:Time Factors
chemical_list: D006493:Heparin