共 27 条
[1]
BERMAN S, 1983, PEDIATRICS, V71, P210
[2]
BERMAN S, 1986, STRATEGIES PRIMARY H, P29
[4]
BULLA A, 1978, B WORLD HEALTH ORGAN, V56, P481
[5]
COLLEY JRT, 1989, CHEST, V96, pS355, DOI 10.1378/chest.96.3.355S
[6]
COUSENS SN, 1990, WHOARI904
[7]
DOUGLAS RM, 1985, ACUTE RESPIRATORY IN, P1