共 18 条
- [1] [Anonymous], 1960, BMJ-BRIT MED J, V2, P1665
- [2] [Anonymous], 1965, LANCET, V1, P775
- [3] BALDWIN ED, 1948, MEDICINE, V27, P243
- [4] FERRIS BG, 1965, AM REV RESPIR DIS, V91, P252
- [5] FLETCHER CM, 1965, BRONCHITIS
- [8] HIGGINS ITT, 1962, BRIT J IND MED, V19, P65
- [10] LEOPOLD J. G., 1957, THORAX, V12, P219, DOI 10.1136/thx.12.3.219