Word: pbs
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Dates: during 1950-1959
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...company with his colleagues, Dr. Tufts refined from placenta blood some serum which he called PBS, and injected 20 cc. into the arm of a patient who had suffered from severe rheumatoid arthritis for more than ten years. After three injections she reported, "My pain and swelling began to disappear and I could notice the lump on my wrist start to go down . . . It's wonderful...