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Viability of Wistar Institute‐38 (WI‐38) and human fetal lung fibroblasts (HFL1) after exposure to varying concentrations (0–10 mg/ml) of Leonurus sibiricus‐transformed (TR) and transcriptional factor from transformed L. sibiricus roots extract with transcriptional factor over‐expression‐transformed (AtPAP1 TR) root extracts. Cell viability was assessed after 24 h. The values represent mean ± standard deviation (s.d.).
