Drawing the line.
Enck
R E
RE
D003657:Decision Making; D005066:Euthanasia, Passive / Q000331:legislation & jurisprudence; D017051:Hospice Care / Q000191:economics / Q000331:legislation & jurisprudence / Q000379:methods*; D006801:Humans; D006278:Medicare / Q000191:economics / Q000331:legislation & jurisprudence; D018579:Patient Selection; D014481:United States