共 18 条
[11]
PHILIPS JB, 1979, LANCET, P877
[12]
POLLITZER MJ, 1981, LANCET, V1, P346
[13]
SNOW RL, 1982, AM REV RESPIR DIS, V126, P887
[14]
STARK AR, 1979, J PEDIATR-US, V94, P439, DOI 10.1016/S0022-3476(79)80598-3