No abstract available
MeSH terms
-
Analgesics, Opioid / therapeutic use*
-
Chronic Disease
-
Humans
-
Methadone / therapeutic use*
-
Pain / complications
-
Pain / drug therapy*
-
Substance Abuse Treatment Centers
-
Substance-Related Disorders / complications
-
Substance-Related Disorders / rehabilitation*
Substances
-
Analgesics, Opioid
-
Methadone