Fig. 2From: Analysis of lung cancer-related genetic changes in long-term and low-dose polyhexamethylene guanidine phosphate (PHMG-p) treated human pulmonary alveolar epithelial cellsSchematic of PHMG-p low-dose exposure with long-term subculture and cell harvesting. Odd numbers indicate control samples and even numbers indicate PHMG-p-treated samples. The detailed description is present in the main textBack to article page