title: Prevalence of delta infection in drug addicts in Valencia, Spain.
mesh_terms: D000956:Antigens, Viral / Q000032:analysis; D002353:Carrier State; D006508:Hepatitis Antibodies / Q000032:analysis; D006509:Hepatitis B / Q000150:complications*; D006511:Hepatitis B Antigens / Q000032:analysis; D006514:Hepatitis B Surface Antigens / Q000032:analysis; D003699:Hepatitis D / Q000150:complications / Q000453:epidemiology*; D003698:Hepatitis Delta Virus / Q000276:immunology; D035923:Hepatitis delta Antigens; D006801:Humans; D013030:Spain; D019966:Substance-Related Disorders / Q000150:complications*
chemical_list: D000956:Antigens, Viral; D006508:Hepatitis Antibodies; D006511:Hepatitis B Antigens; D006514:Hepatitis B Surface Antigens; D035923:Hepatitis delta Antigens; C442244:hepatitis delta virus large antigen