RT Journal A1 Kupersmith J, Eisen S T1 A new approach to health services research JF Archives of Internal Medicine JO Archives of Internal Medicine YR 2012 FD July 9 VO 172 IS 13 SP 1033 OP 1034 DO 10.1001/archinternmed.2012.2004 UL http://dx.doi.org/10.1001/archinternmed.2012.2004 AB The article “Overuse of Health Care Services in the United States: An Understudied Problem” by Korenstein et al1 not only demonstrates the need for more research on a critically important topic but also shows why a new approach to health services research (HSR) is needed. Overuse of health care services has been a focal point for many decades, yet the study team's exhaustive literature search of more than 114 000 MEDLINE articles published over 31 years identified only 172 articles addressing this topic. Of those 172, “robust evidence” was found for a handful of services, leading the study team to conclude that