共 6 条
[1]
BENNEFIELD R, 1996, HOUSEHOLD EC SERIES
[2]
Levit K R, 1992, Health Care Financ Rev, V14, P31
[3]
*PROSP PAYM ASS CO, 1996, MED AM HLTH CAR SYST
[4]
SHIELS J, 1996, EMPLOYER HLTH INSURA
[5]
*US CENS BUR, 1996, HLTH INS HIST TABL
[6]
ZWANZIGER J, 1990, SOCIOECONOMIC PL JUL, P81