Fast and slow flocculating systems of diphtheria antigen--antibody in Ramon, Dean-Webb and mass--law methods.
D000937:Antigen-Antibody Reactions; D055598:Chemical Phenomena; D011232:Chemical Precipitation; D002627:Chemistry, Physical; D004166:Diphtheria Antitoxin; D004168:Diphtheria Toxoid
D004166:Diphtheria Antitoxin; D004168:Diphtheria Toxoid