title: [State of hepatitis B virus DNA and stability of expression of HBsAg in transformed pC-3-1 cells].
mesh_terms: D000818:Animals; D002472:Cell Transformation, Viral; D002478:Cells, Cultured; D004279:DNA, Viral / Q000032:analysis*; D005786:Gene Expression Regulation; D006514:Hepatitis B Surface Antigens / Q000235:genetics*; D006515:Hepatitis B virus / Q000235:genetics*; D051379:Mice
chemical_list: D004279:DNA, Viral; D006514:Hepatitis B Surface Antigens