共 5 条
[1]
HALSTED CC, 1978, PEDIATRICS, V61, P660
[2]
JOHNSON JD, 1980, J LAB CLIN MED, V95, P429
[3]
MASON WL, 1980, AM REV RESPIR DIS, V121, P39
[4]
OLSUFJEV NG, 1982, J HYG EPID MICROB IM, V26, P291