title: Methadone pseudowithdrawal: etiological considerations.
mesh_terms: D001007:Anxiety; D003863:Depression / Q000175:diagnosis; D003937:Diagnosis, Differential; D006556:Heroin Dependence / Q000188:drug therapy*; D006801:Humans; D008691:Methadone / Q000627:therapeutic use*; D013375:Substance Withdrawal Syndrome / Q000175:diagnosis*
chemical_list: D008691:Methadone