共 19 条
[11]
SAS Institute, 1987, SAS STAT GUID PERS C
[13]
*SOC, 1987, INT CLASS HLTH PROBL
[15]
SUNDQUIST J, 1993, J PRIMARY HLTH CARE, V11, P169
[16]
SUNDQUIST J, 1993, SCANDINAVIAN J SOCIA, V3, P19
[17]
Tomson Y, 1988, Lakartidningen, V85, P532
[18]
VAGERO D, 1989, LANCET, V1, P35
[19]
WHITEHEAD M, 1987, HLTH DIVIDE