Nooman, M Z Behaviour of hepatitis B antigen in bilharzial patients infected with HBs positive viral hepatitis. [electronic resource] - Egyptian journal of bilharziasis 1978 - 79-87 p. digital Publication Type: Journal Article ISSN: 0301-8849 Subjects--Topical Terms: Acute DiseaseAdolescentAdultAgedChildChild, PreschoolFemaleFollow-Up StudiesHepatitis B--immunologyHepatitis B Surface AntigensHumansMaleMiddle AgedSchistosomiasis--immunology