共 13 条
[1]
BERRY RE, 1970, INQUIRY, V7, P67
[4]
FORREST WH, 1978, DHHS HRA230750173 NA
[6]
Lave J R, 1971, Health Serv Res, V6, P15
[7]
DIVERGING TRENDS IN HOSPITALIZATION - FACT OR ARTIFACT
[J].
MEDICAL CARE,
1981, 19 (10)
:979-994