title: Tumour necrosis factor-α promoter region polymorphisms and spontaneous HBsAg clearance.
authors: Levent
authors: L
authors: Filik
mesh_terms: D005260:Female; D006509:Hepatitis B / Q000235:genetics*; D006514:Hepatitis B Surface Antigens / Q000097:blood*; D019694:Hepatitis B, Chronic / Q000235:genetics*; D006801:Humans; D008297:Male; D020641:Polymorphism, Single Nucleotide; D011401:Promoter Regions, Genetic; D014409:Tumor Necrosis Factor-alpha / Q000235:genetics*
chemical_list: D006514:Hepatitis B Surface Antigens; D014409:Tumor Necrosis Factor-alpha