West Joyce C, Wilk Joshua E, Rae Donald S, Narrow William E, Regier Darrel A
American Psychiatric Institute for Research and Education's (APIRE's) Practice Research Network, Arlington, Virginia 22209, USA.
Psychiatr Serv. 2003 Dec;54(12):1582-3, 1588. doi: 10.1176/appi.ps.54.12.1582.