共 50 条
[2]
*AM HOSP ASS, 2000, HOSP STAT 2000
[3]
[Anonymous], 1996, RES SOCIOL HEALTH CA
[5]
Bazzoli GJ, 1999, HEALTH SERV RES, V33, P1683
[9]
Bryk A.S., 1992, Hierarchical Models: Applications and Data Analysis Methods
[10]
DOWLING WL, 1995, PARTNERS DANCE FORMI