Sabin Archives. OPV WHO. Box 20. File 01 (Expert Committee on Poliomyelitis -- 1957-58)
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Sabin Archives. OPV WHO. Box 20. File 06 (International Minimal Requirements -- 1960-61)
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Sabin Archives. OPV WHO. Box 20. File 07 (Transfer of Vaccine Strains and Seed Material -- 1969-73)
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Sabin Archives. OPV WHO. Box 20. File 08 (USSR Polio Meetings and Reprints -- 1975)
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Sabin Archives. OPV WHO. Box 21. File 01 (Correspondence, Charles Cockburn -- 1974)
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Sabin Archives. OPV WHO. Box 21. File 02 (Expert Advisory Panel on Virus Diseases and Consultative Group on Oral Poliomyelitis Vaccine (Sabin Strains) -- 1974)
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Sabin Archives. OPV WHO. Box 21. File 04 (Cincinnati Hep2 Cells -- 1975-76)
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Sabin Archives. OPV WHO. Box 21. File 05 (Correspondence, Frank T. Perkins -- 1975-76)
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Sabin Archives. OPV WHO. Box 21. File 06 (Consultative Group on Oral Poliomyelitis Vaccine (Sabin Strains), October Meeting -- 1976)
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Sabin Archives. OPV WHO. Box 21. File 07 (Expert Advisory Panel on Virus Diseases, Reappointments -- 1976-82)
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Sabin Archives. OPV WHO. Box 21. File 08 (Consultative Group on Oral Poliomyelitis Vaccine (Sabin Strains) -- 1977-79)
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Sabin Archives. OPV WHO. Box 21. File 09 (Instituto Butantan, Brazil -- 1977-79)
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Sabin Archives. OPV WHO. Box 21. File 10 (Correspondence, Frank T. Perkins -- 1978-81)
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Sabin Archives. OPV WHO. Box 21. File 11 (Consultative Group on Oral Poliomyelitis Vaccine (Sabin Strains), October Meeting -- 1980)
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Sabin Archives. OPV WHO. Box 21. File 12 (Consultative Group on Oral Poliomyelitis Vaccine (Sabin Strains), April 1982 Meeting - 1981-82)
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Sabin Archives. Oral Poliovirus Vaccine, World Health Organization. Box 20. File 3a (OPV Conferences: 2nd International Conference on Live Poliovirus Vaccines, Washington, DC -- June 6-10, 1960)
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