Daily Scheduled Opioids for Intractable Head Pain
Neurol 62:1687-1694,1662, Saper,J.R.,et al, 2004
Inappropriate Use of Sumatriptan:Population Based Register and Interview Study
BMJ 316:1352-1353, Gaist,D.,et al, 1998
Abrupt Outpatient Withdrawal of Medication in Analgesic-Abusing Migraineurs
Lancet 337:1442-1443, Hering,T.&Steiner,T.J., 1991