共 37 条
[25]
MCGUIRK MA, 1984, INQUIRY, V25, P84
[26]
*NY STAT DEP HLTH, 1986, DAT 1986 STAT PLANN
[27]
*PA RES I, 1991, PAT MAN CAT VERS 4 0
[28]
*PHIL HLTH MAN COR, 1987, EM DEP US PHIL URG N
[29]
Shannon G., 1969, MED CARE REV, V26, P143