This video is a graphical representation giving the concept of drug dose-response and defining terms as dose, drug, toxic slopes, therapeutic index etc TIMELINE: 0:11 Introduction 0:37 Graphical explanation of dose-response 1:09 Therapeutic and toxic slopes 2:56 50% therapeutic ED50 4:19 Range of inter-subject metrability 5:31 Therapeutic index 7:27 Graphical elaboration of index 8:54 Low therapeutic index 9:52 Conclusion