共 26 条
[22]
SHERIDAN B, 1973, MED EC, V17, P220
[24]
*US DHEW, 1971, COMPR HLTH POL 1970
[25]
Wollstadt L J, 1978, Inquiry, V15, P142
[26]
YESALIS CE, 1981, MED CARE, V19, P1226, DOI 10.1097/00005650-198112000-00006