title: Geographic variation in drug safety: potentially unsafe prescribing of medications and prescriber responsiveness to safety alerts.
authors.affiliation: Medco Health Solutions, Inc., 100 Parsons Pond Rd., E2-8, Franklin Lakes, NJ 07417, USA. richard_feifer@medco.com
authors.forename: Richard A
authors.initials: RA
authors.lastname: Feifer
authors.forename: Jason M
authors.initials: JM
authors.lastname: James