Celia Kitzinger - Why are patients in permanent comas routinely kept alive?

An article has been published in "The Conversation Today" about Celia and Jenny Kitzinger's research in the area of patients who are in a permanent coma.

• The article is available on line at http://theconversation.com/why-are-patients-in-permanent-comas-routinely-kept-alive-43365
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• The video outlining their work is available on YouTube