Asgerov, Elmir, et al. “Distribution of Nucleotide Variants in the DNA Sequence of ERCC1 and XRCC1 Genes and the Effect of Phenotype in Patients With Gastric Cancer”. Turkish Journal of Gastroenterology, vol. 30, no. 6, Jan. 2019, pp. 517-23, doi:10.5152/tjg.2019.18100.