This article by Neufeld and Levinthal of the Robert Koch Institute in Berlin confirmed earlier research, conducted by Fred
Griffith of the British Ministry of Health, which demonstrated that pneumococci could be made to change types. Lionel Alloway
in Avery's lab would later expand on these findings in a 1932 article.
Number of Image Pages:
18 (1,511,070 Bytes)
Periodical: Neufeld, F., and Walter Levinthal. "Beitrage zur Variabilitat der Pneumokokken." Zeitschrift fur Immunitatsforschung
55, (1928): 324-340. Article. 18 Images.
Gustav Fischer Verlag
Reproduced with permission of Gustav Fischer Verlag.
The "Sugar-Coated Microbe" and the Search for a Cure for Pneumonia, 1919-1929
The Transformation In Vitro of R Pneumococci into S Forms of Different Specific Types by the Use of Filtered Pneumococcus
Extracts (January 1, 1932)
The Interconvertibility of 'R' and 'S' Forms of Pneumococcus (April 1, 1928)
The Transformation of Pneumococcal Types In Vitro (1930)
Further Observations on the Use of Pneumococcus Extracts in Effecting Transformation of Type In Vitro (February 1, 1933)