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Telomerase activity in normal human gastric mucosal epithelial cells, normal human gastric mucosal fibroblasts and tumor cell lines. Lane 1: Normal human gastric mucosal fibroblasts; lane 2: Normal human gastric mucosal epithelial cells; lane 3: BGC-823 cells; lane 4: SGC-7901 cells; lane 5: MKN-28 cells; lane 6: Marker.
