title: High risk of chronic asthmatics for hepatitis B virus infection.
mesh_terms: D000328:Adult; D001249:Asthma / Q000150:complications*; D002908:Chronic Disease; D005260:Female; D006509:Hepatitis B / Q000209:etiology*; D006510:Hepatitis B Antibodies / Q000032:analysis; D006514:Hepatitis B Surface Antigens / Q000032:analysis; D006801:Humans; D007267:Injections; D008297:Male; D008875:Middle Aged; D012306:Risk; D012737:Sex Factors
chemical_list: D006510:Hepatitis B Antibodies; D006514:Hepatitis B Surface Antigens