Viral hepatitis.
D000906:Antibodies; D000937:Antigen-Antibody Reactions; D000941:Antigens; D003168:Complement Fixation Tests; D003165:Complement System Proteins; D006506:Hepatitis A / Q000276:immunology / Q000382:microbiology*; D006509:Hepatitis B / Q000276:immunology; D006515:Hepatitis B virus / Q000302:isolation & purification / Q000472:pathogenicity*; D006801:Humans; D005779:Immunodiffusion; D008854:Microscopy, Electron
D000906:Antibodies; D000941:Antigens; D003165:Complement System Proteins