共 21 条
- [1] *ADV COMM IMM PRAC, 1996, MMWR-MORBID MORTAL W, V45, P1
- [2] *AM THOR SOC, 2000, AM J RESP CRIT CARE, V161, pS221, DOI DOI 10.1164/AJRCCM.161.SUPPLEMENT_
- [3] *AM THOR SOC, 1981, AM REV RESPIR DIS, V124, P356
- [4] ASHLEY MJ, 1967, CAN MED ASSOC J, V97, P1335
- [5] BARLOW PB, 1974, AM REV RESPIR DIS, V110, P371
- [6] CHEE CBE, 2000, LUNG BIOL HEALTH DIS, V144, P727
- [7] *COMM DIS CTR, 1998, TAN TOCK SENG HOSP A
- [8] COMSTOCK GW, 1971, AM REV RESPIR DIS, V103, P572
- [9] COMSTOCK GW, 1964, B WORLD HEALTH ORGAN, V31, P161
- [10] HORWITZ O, 1972, B WORLD HEALTH ORGAN, V47, P49