Mortality from respiratory diseases in dusty trades (inorganic dusts) / by Frederick L. Hoffman.

  • Hoffman, Frederick L. (Frederick Ludwig), 1865-1946.
Date:
[1918]

Licence: In copyright

Credit: Mortality from respiratory diseases in dusty trades (inorganic dusts) / by Frederick L. Hoffman. Source: Wellcome Collection.

    334/470 (page 328)