7Kaufman DW,Kelly JP, Rosenberg L,et al.Recent patterns of medication use in the ambulatory adult population of the United States: The Slone survey /J) .JAMA,2002,287(3):337-344.
8Gurwitz JH,Field TS,Harrold LR,et al.Incidence and preventa-bility of adverse drug events among older persons in the ambulatory setting ( J ) .JAMA,2003,289(9): 1107-1116.