THE PHYSICIAN AND THE NEW CANADIAN DEATH CERTIFICATE von Defries, R D, Sellers, A H

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VACCINATION AND ENCEPHALITIS von Defries, R D, McKinnon, N E

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Smallpox Vaccination von Defries, R D, McKinnon, N E

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REPORT OF THE EDITOR von DEFRIES, R D

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Dr. Edward Playter--a vision fulfilled von DEFRIES, R D

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Postgraduate Teaching in Public Health in the University of Toronto, 1913-1955 von DEFRIES, R. D.

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Partnership in Public Health von DEFRIES, R. D.

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PROGRESS IN POLIOMYELITIS von DEFRIES, R D

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The Connaught Medical Research Laboratories 1914-1948 von DEFRIES, R. D.

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John Gerald Fitzgerald von Defries, R. D.

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Present status of poliomyelitis vaccination von DEFRIES, R D

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The Alberta Department of Public Health von SOMERVILLE, A., DEFRIES, R. D.

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Donald Thomas Fraser (1888-1954) von DEFRIES, R D, EDSALL, G

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Dr. Edward Playter—A Vision Fulfilled von DEFRIES, R. D.

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The Manitoba Department of Health and Public Welfare von ELLIOTT, M. R., DEFRIES, R. D.

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The Saskatchewan Department of Public Health von ROTH, F. B., DEFRIES, R. D.

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The Ontario Department of Health von PHAIR, J. T., DEFRIES, R. D.

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The Department of Health of Prince Edward Island von CURTIS, O. H., DEFRIES, R. D.

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The New Brunswick Department of Health and Social Services von MELANSON, J. A., DEFRIES, R. D.

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The British Columbia Department of Health and Welfare von AMYOT, G. F., DEFRIES, R. D.

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