共 18 条
[14]
*LA DEP HLTH HOSP, 2001, LOUIS W NIL VIR SURV
[15]
*MS STAT DEP HLTH, 2002, MISSISSIPPI MORBIDIT, V20, P23
[17]
TALAN J, 1999, NEWSDAY 0928, pA28
[18]
2002, MMWR MORB MORTAL WKL, V51, P930