Lagniappe.
Rothrock
John F
JF
D000701:Analgesics, Opioid / Q000009:adverse effects*; D004335:Drug and Narcotic Control; D006801:Humans; D008691:Methadone / Q000009:adverse effects*; D008881:Migraine Disorders / Q000188:drug therapy
D000701:Analgesics, Opioid; D008691:Methadone