1. A simple snare for the retrieval of an embolised central venous cannula
2. Department of Health and Social Security (1984) HN (Hazard) (84) 14.
3. HillG L (1982) In: Essential Surgical Practice. Ed. CuśchieriA Wright PSG, Bristol; p 116.
4. JohnG E (1972) DHSS (Supply). Hazard Notice HN(6).