title: [Frequency of subtypes HBsAg in the SAP Vojvodina].
mesh_terms: D006514:Hepatitis B Surface Antigens / Q000145:classification / Q000302:isolation & purification*; D006801:Humans; D015022:Yugoslavia
chemical_list: D006514:Hepatitis B Surface Antigens
vernacular_title: Zastupljenost suptipova HBsAg u SAP Vojvodini.