Cheng, H H The prevalence of antibody to delta virus in western Canada. [electronic resource] - Clinical and investigative medicine. Medecine clinique et experimentale 1986 - 156-9 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0147-958X Subjects--Topical Terms: Acute DiseaseAdolescentAdultAgedAntibodies, Viral--analysisCanadaChildChild, PreschoolChronic DiseaseFemaleHepatitis--immunologyHepatitis B--immunologyHepatitis B Surface Antigens--analysisHepatitis Delta Virus--immunologyHumansMaleMiddle Aged