Assertion: methadone | /r/HasAspect | long duration of action
Facets:
value: very
type: DEGREE
Source sentences:
text: Methadone has a long duration of action in the body, making it particularly suitable for the treatment of opioid dependence—when used as prescribed, it can effectively stave off withdrawal symptoms for a long time.
text: Methadone has a very long duration of action and a long and unpredictable half-life.