Determining the frequency of genotype and allele of TNF-α – 308 and TGF-β1-509 in HCC patients with HBsAg (+). Analysing the association of TNF-α-308, TGF-β1-509 polymorphism with risk of HCC and some clinical and subclinical characteristics of HCC patients. | The summary of the medical Dotoral thesis Studying polymorphism of TNF-α-308 G A and TGF-β1-509C T in hepatocellular carcinoma patients with HBsAg positive