共 47 条
[3]
Bonilla HF, 1997, INFECT CONT HOSP EP, V18, P333, DOI 10.1086/647621
[4]
BOYCE JM, 1994, INFECT CONT HOSP EP, V15, P105
[10]
Centers for Disease Control and Prevention (CDC), 1997, MMWR Morb Mortal Wkly Rep, V46, P60