Figure 1From: A global view of drug-therapy interactionsa, b: The therapy network at level 1 (a) and 2 (b). Nodes are colored according to the first level of the ATC classification. The size of nodes is proportional to the number of therapies in the class. The thickness of edges is proportional to the number of drugs linking the two therapies. c: Distribution of shortest path lengths in level 2 of the therapy network.Back to article page