title: [Etiology of hepatitis B. Preliminary results of a cooperative study (proceedings)].
mesh_terms: D000818:Animals; D002501:Centrifugation, Zonal; D006509:Hepatitis B / Q000209:etiology* / Q000382:microbiology; D006511:Hepatitis B Antigens / Q000302:isolation & purification; D006801:Humans; D002679:Pan troglodytes
chemical_list: D006511:Hepatitis B Antigens
vernacular_title: Atiologie der Hepatitis-B. Vorläufige Ergebnisse einer kooperativen Studie