Roby Dylan H, Reifman Cori, Davis Anna, Diamant Allison L, Meng Ying-Ying, Kominski Gerald F, Kally Zina, Pourat Nadereh
UCLA Center for Health Policy Research, and UCLA School of Public Health, Los Angeles, California, USA.
Policy Brief UCLA Cent Health Policy Res. 2009 Dec(PB2009-11):1-16.