共 11 条
[2]
ASPERILLA MO, 1990, J INFECT DIS, V8, P873
[3]
CARLSTEDT G, 1990, SCANDINAVIAN J INFEC, V22, P555
[8]
PICHLER HET, 1987, AM J MED, V82, P329
[10]
1992, MORBIDITY MORTALITY, V41, P369