31. Maclyn McCarty

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32. Rockefeller Institute for Medical Research hospital staff

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33. O.T. Avery, Hoagland Laboratory, 1907-13

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34. Dr. O. T. Avery (in lounge chair)

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35. Dr. O. T. Avery--Deer Isle, Maine

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36. Oswald T. Avery

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37. O. T. Avery, Rockefeller Institute

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38. Army Epidemiological Board

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39. Army Epidemiological Board

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40. Board for the Investigation and Control of Influenza and Other Epidemic Diseases in the Army

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