title: Extraction and serologic study of hepatitis A antigen.
mesh_terms: D000956:Antigens, Viral / Q000302:isolation & purification*; D002648:Child; D002675:Child, Preschool; D003168:Complement Fixation Tests; D005260:Female; D006506:Hepatitis A / Q000175:diagnosis; D006507:Hepatovirus / Q000276:immunology*; D006801:Humans; D007104:Immune Adherence Reaction; D008297:Male; D008854:Microscopy, Electron; D011863:Radioimmunoassay
chemical_list: D000956:Antigens, Viral