Assertion: ether | /r/HasProperty | replaced by cocaine
Facets:
value: with less abuse potential.[citation
type: OTHER
value: by more effective local anesthetics
type: OTHER
Source sentences:
text: Of these first famous anesthetics, only nitrous oxide is still widely used today, with chloroform and ether having been replaced by safer but sometimes more expensive general anesthetics, and cocaine by more effective local anesthetics with less abuse potential.[citation needed]