Liu CF, Maciejewski ML, Sales AE. Changes in characteristics of veterans using the VHA health care system between 1996 and 1999. Health Res Policy Syst. 2005 Apr 18;3(1):5.
Liu CF, Maciejewski ML, Sales AE. Changes in characteristics of veterans using the VHA health care system between 1996 and 1999. Health Res Policy Syst. 2005 Apr 18;3(1):5.