1. Subclavian venepuncture;Davidson;Lancet,1963
2. Supraclavicular subclavian venepuncture and catheterisation;Yoffa;Lancet,1965
3. Percutaneous catheterisation of the internal jugular vein;English;Anaesthesiology,1969
4. Radiographic confirmation of the site of central venous pressure catheters;Deitel;Can. J. Surg.,1971
5. Hazards of central venous catheterisation;McMahon;Br. Med. J.,1973