C2028T polymorphism in exon 12 and dinucleotide repeat polymorphism in intron 13 of the HIF-1alpha gene define HIF-1alpha protein expression in non-small cell lung cancer. by Koukourakis, M, Papazoglou, D, Giatromanolaki, A, Panagopoulos, I, Maltezos, E, Harris, A, Gatter, K, Sivridis, E