title: Viral subtypes and cross-protection in hepatitis B virus infections of chimpanzees.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis*; D000918:Antibody Specificity; D003429:Cross Reactions; D000939:Epitopes; D006511:Hepatitis B Antigens; D008297:Male; D002679:Pan troglodytes / Q000276:immunology*
chemical_list: D000914:Antibodies, Viral; D000939:Epitopes; D006511:Hepatitis B Antigens