共 6 条
[1]
COLLOTON J, 1981, 6TH PRIV SECT C DURH
[2]
Grimaldi P L, 1982, J Am Med Rec Assoc, V53, P56
[3]
HORN SD, 1983, HLTH FIN MGT, V13, P49
[5]
MULLER S, 1980, APR SEM RES SYST 198