. BergerAHoffmanDLGoodmanSDeleaTESeifeldinROsterG.Therapy switching in patients receiving long-acting opioids. Ann Pharmacother2004;38:389–95. DOI 10.1345/aph.1D019.
2.
. FerrerRLPalmerR.Variations in health status within and between socioeconomic strataJ Epidemiol Commun Health2004;58:381–7.
3.
. GouldingMR.Inappropriate medication prescribing for elderly ambulatory care patients. Arch Intern Med2004;164:305–12.
4.
. NeighborsDMBellTJWilsonJDoddSL.Economic evaluation of the fentanyl transdermal system for the treatment of chronic moderate to severe pain. J Pain Symptom Manage2001;21:129–43.
