共 16 条
[1]
SOCIOECONOMIC-STATUS AND RISK FOR SUBSTANDARD MEDICAL-CARE
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1992, 268 (17)
:2383-2387
[6]
GROSS J, 1989, NY TIMES 0221
[8]
JACOBS LM, 1986, ARCH SURG-CHICAGO, V121, P479
[10]
PORIES SE, 1988, ARCH SURG-CHICAGO, V123, P579