Just so long as it is not prescribed or that the decision is not executed by anything BUT the will of the patient.
The trouble there would be, though, how we could keep an employee (official, doctor, or nurse) from just saying "screw it" and taking it upon themselves. Such would be difficult to prove no?
We'll murder them all, amid laughter and merriment...except for the few we take home to experiment!
"I cant see S***! --YOU GO TO HELL!" --Tourettes guy