TI  - Occupation hazards and diagnostic signs: A guide to impairments to be looked for in hazardous occupations. (revision of bulletin no. 306.)
PT  - JOUR
DP  - 1939
TA  - Journal of the American Medical Association
pages = {2559},
VI  - 112
IP  - 24
AID  - 10.1001/jama.1939.02800240075033 [doi]
4100  - http://dx.doi.org/10.1001/jama.1939.02800240075033
SO  - Journal of the American Medical Association June 17, 1939 112(24):2559