共 19 条
[2]
AYLIFFE GAJ, 1990, J HOSP INFECT, V16, P351
[4]
BOYCE JM, 1992, INFECT CONT HOSP EP, V13, P725
[5]
BRADLEY SF, 1995, INFECT CONT HOSP EP, V16, P354
[8]
GILLESPIE WA, 1958, LANCET, V2, P1075