@article{doi:10.1001/jama.1939.02800240075033,
title = {Occupation hazards and diagnostic signs: A guide to impairments to be looked for in hazardous occupations. (revision of bulletin no. 306.)},
journal = {Journal of the American Medical Association},
volume = {112},
number = {24},
pages = {2559},
year = {1939},
doi = {10.1001/jama.1939.02800240075033},
URL = { + http://dx.doi.org/10.1001/jama.1939.02800240075033},
eprint = {/data/Journals/JAMA/7263/jama_112_24_033.pdf}
}