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- La description:
- Photograph of Professor W. H. Howell at a meeting of the Coagulation Group, Baltimore, 1938. Photo by A. J. Quick.
- date créée:
- undated
- La description:
- Photograph of William Henry Howell, who proposed chemical mediation of nerve impulses and made extensive studies in blood coagulation.
- date créée:
- undated
- La description:
- Photograph of Dr. William H. Howell, Dean and Professor of Physiology, Johns Hopkins.
- date créée:
- 1906
- La description:
- Photograph of William Henry Howell shown reading a book. Presentation inscription: "Sincerely Yours W. H. Howell."
- date créée:
- undated