共 21 条
[1]
ANDERSON DO, 1965, CAN MED ASSOC J, V92, P1007
[3]
[Anonymous], 1965, LANCET, V1, P775
[4]
DENSEN PM, 1967, ENVIRON RES, V1, P265
[5]
FERRIS BG, 1962, AM REV RESPIR DIS, V86, P165
[6]
THE SIGNIFICANCE OF RESPIRATORY SYMPTOMS AND THE DIAGNOSIS OF CHRONIC BRONCHITIS IN A WORKING POPULATION
[J].
BMJ-BRITISH MEDICAL JOURNAL,
1959, 2 (AUG29)
:257-258
[7]
FLETCHER CM, 1970, 3RD P INT S BRONCH, P103
[8]
GOLDSMITH J R, 1969, Journal of the Air Pollution Control Association, V19, P714
[10]
HOLLAND WW, 1965, LANCET, V1, P445