共 21 条
[1]
[Anonymous], 1990, MMWR Recomm Rep, V39, P1
[2]
[Anonymous], 1987, MMWR-MORBID MORTAL W
[4]
*CDCP, 1997, HIV AIDS SURV REP, V7, P15
[5]
Centers for Disease Control, 1988, MMWR Morb Mortal Wkly Rep, V37, P377
[10]
KELEN GD, 1990, J ACQ IMMUN DEF SYND, V3, P987