TI  - REcent trends in chronic bronchitis
PT  - JOUR
DP  - 1959
TA  - Journal of the American Medical Association
pages = {1491},
VI  - 170
IP  - 12
AID  - 10.1001/jama.1959.03010120127033 [doi]
4100  - http://dx.doi.org/10.1001/jama.1959.03010120127033
SO  - Journal of the American Medical Association July 18, 1959 170(12):1491