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Authors
- Conference Board of Physicians in Industry. Anniversary Meeting 1924 : New York, N.Y.) author.1
- Crowell, Florence, author1
- Kohn, David, author1
- Levi, Jeffrey, author1
- Medical Society of the State of California.1
- Ohio. Department of Health. Adult Hygiene Division, author.1
- Rest, Kathleen M.1
- Segal, Laura M., author1
- Union Health Center (New York, N. Y.), author.1
- United States. Employees' Compensation Commission, author.1
- Wright, Wade, 1889- author1