共 43 条
[22]
Komisar HL, 2002, HEALTH CARE FINANC R, V24, P33
[26]
McAuley WJ, 2002, J APPL GERONTOL, V21, P38
[28]
*MEDPAC, 2001, REP C MED RUR AM
[29]
NELSON GM, 1994, HLTH SERVICES RURAL, P65