共 39 条
[11]
ERNST RL, 1985, PHYSICIAN LOCATION S, P179
[12]
FELT S, 1994, HMO PRIMM CAR STAFF
[15]
*GHAA, 1991, NAT DIR HMOS
[17]
*GOV COMM, 1995, GREAT GOOD REC AM PH
[18]
HADLEY J, 1996, 96119 IHCRP
[19]
HAUG MR, 1980, J MED EDUC, V55, P333
[20]
SPECIFICATION TESTS FOR THE MULTINOMIAL LOGIT MODEL
[J].
ECONOMETRICA,
1984, 52 (05)
:1219-1240