A Guide to the diagnosis of occupational diseases : a reference manual for physicians / compiled jointly by the staffs of the Industrial Health Division Department of National Health and Welfare, and the Division of Industrial Hygiene, Department of Health for Ontario.

Date:
[1949]

Licence: In copyright

Credit: A Guide to the diagnosis of occupational diseases : a reference manual for physicians / compiled jointly by the staffs of the Industrial Health Division Department of National Health and Welfare, and the Division of Industrial Hygiene, Department of Health for Ontario. Source: Wellcome Collection.

    60/328 (page 56)