إرسال التسجيلة بالبريد الالكتروني: IMMUNOCHEMICAL STUDIES OF ANTITOXIN PRODUCED IN NORMAL AND ALLERGIC INDIVIDUALS HYPERIMMUNIZED WITH DIPHTHERIA TOXOID : IV. DIFFERENCES BETWEEN HUMAN PRECIPITATING AND NON-PRECIPITATING SKIN-SENSITIZING DIPHTHERIA ANTITOXIN AS SHOWN BY ELECTROPHORESIS