Sabine Netters is an oncologist in The Netherlands - where assisted dying is legal. There doctors actually administer the drugs to help their patients die (unlike proposed legislation in the UK).
In this moving interview, Sabine explains what was going through her head, the first time she helped her patient die - and how in the subsequent years, the emotional toll hasn't lessened. She explains why she believes that in certain circumstances, euthanasia can be the ultimate caring act.
Read her essay:
http://www.bmj.com/content/360/bmj.k116