Word: beefheart
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Dates: during 1939-1939
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...lobe and centrifuged to remove all red blood cells. Then the clear serum is mixed with several drops of the antigen, a witches' brew of benzoin (a resin from Java or Sumatra), cholesterol (alcohol which occurs in bile), scarlet red (a dye), plain salt water, and alcoholic beefheart extract. If syphilis antibodies are present in the blood, coarse particles develop in the colorless fluid, and clumps of red granules appear around the edges of the mixture. Since the reaction is clearly visible to the naked eye, no microscope is needed...