共 16 条
[1]
BASMASS S, 1989, EPIDEMIOL INFECT, V103, P227
[2]
COELLO R, 1990, 2ND INT C HOSP INF S
[3]
CRUSE P, 1981, REV INFECT DIS, V3, P734
[9]
HALEY RW, 1991, AM J MED, V91, P325