共 35 条
- [1] ANDERSEN JB, 1979, SCAND J RESPIR DIS, V60, P151
- [2] BELMAN MJ, 1981, AM REV RESPIR DIS, V123, P256
- [3] BELMAN MJ, 1986, CLIN CHEST MED, V7, P585
- [4] Booker H A, 1984, Physiotherapy, V70, P258
- [9] DEGRE S, 1974, AM REV RESPIR DIS, V110, P395
- [10] EPLER GR, 1980, AM REV RESPIR DIS, V121, P647