Swift, R M The relationship between craving, anxiety, and other symptoms in opioid withdrawal. [electronic resource] - Journal of substance abuse 1992 - 19-26 p. digital Publication Type: Journal Article ISSN: 0899-3289 Standard No.: 10.1016/0899-3289(92)90024-r doi Subjects--Topical Terms: Anxiety--psychologyClonidine--administration & dosageDose-Response Relationship, DrugDrug Administration ScheduleHumansMotivationNarcotics--adverse effectsNeurologic Examination--drug effectsOpioid-Related Disorders--psychologySubstance Abuse Treatment CentersSubstance Withdrawal Syndrome--drug therapy