title: [Experimental study on the hepatitis B virus in leeches as carriers].
mesh_terms: D000818:Animals; D004199:Disease Vectors; D006514:Hepatitis B Surface Antigens / Q000032:analysis; D006515:Hepatitis B virus / Q000276:immunology / Q000502:physiology*; D007865:Leeches / Q000382:microbiology*; D014779:Virus Replication
chemical_list: D006514:Hepatitis B Surface Antigens