PROBLEMS IN THE PREPARATION OF DIAGNOSTIC AND REFERENCE ANTIGENS AND ANTISERA.
D000941:Antigens; D006801:Humans; D007106:Immune Sera; D012141:Respiratory Tract Infections; D012698:Serologic Tests; D014777:Virus Diseases; D014780:Viruses
D000941:Antigens; D007106:Immune Sera
ANTIGENS; IMMUNE SERUMS; RESPIRATORY TRACT INFECTIONS; SERODIAGNOSIS; VIRUS DISEASES; VIRUSES