A survey of industrial health-hazards and occupational diseases in Ohio / by E. R. Hayhurst, A. M., M. D., director, Division of Occupational Diseases, State Board of Health.

Licence: In copyright

Credit: A survey of industrial health-hazards and occupational diseases in Ohio / by E. R. Hayhurst, A. M., M. D., director, Division of Occupational Diseases, State Board of Health. Source: Wellcome Collection.

Provider: This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service.