共 24 条
- [4] CARLSEN KH, 1984, EUR J RESPIR DIS, V65, P92
- [6] VIROLOGICAL STUDIES IN CHRONIC BRONCHITIS [J]. BMJ-BRITISH MEDICAL JOURNAL, 1966, 2 (5515): : 671 - +
- [7] EMPEY DW, 1976, AM REV RESPIR DIS, V113, P131
- [8] FRICK OL, 1983, CLIN REV ALLERG, V1, P5
- [9] GREGG I, 1975, ROYAL COLLEGE PHYSIC, V46, P82