Delta agent in nondrug addicts.
D002353:Carrier State; D006509:Hepatitis B / Q000276:immunology*; D006511:Hepatitis B Antigens / Q000276:immunology*; D035923:Hepatitis delta Antigens; D006801:Humans; D019966:Substance-Related Disorders
D006511:Hepatitis B Antigens; D035923:Hepatitis delta Antigens