Kinetics / Flow Cytometry / Apoptosis / Lung Cancer / Low Dose / Drug Resistance / Natural Product / Transferrin / Non small cell carcinoma / Sesquiterpenes / Small Cell Lung Cancer / Multi Drug Resistant Cancer / Cell Survival / DNA fragmentation / Drug Resistance / Natural Product / Transferrin / Non small cell carcinoma / Sesquiterpenes / Small Cell Lung Cancer / Multi Drug Resistant Cancer / Cell Survival / DNA fragmentation