Comment on

• Adverse drug events in hospitalized patients. Excess length of stay, extra costs, and attributable mortality.

  Classen DC, Pestotnik SL, Evans RS, Lloyd JF, Burke JP. Classen DC, et al. JAMA. 1997 Jan 22-29;277(4):301-6. JAMA. 1997. PMID: 9002492
• The costs of adverse drug events in hospitalized patients. Adverse Drug Events Prevention Study Group.

  Bates DW, Spell N, Cullen DJ, Burdick E, Laird N, Petersen LA, Small SD, Sweitzer BJ, Leape LL. Bates DW, et al. JAMA. 1997 Jan 22-29;277(4):307-11. JAMA. 1997. PMID: 9002493