Visualization of Drug-Disease network provided by;
"A global view of drug-therapy interactions" Jose C Nacher and Jean-Marc Schwartz
Background data for the construction of the bipartite network at level 2 of
the ATC classification[http://www.biomedcentral.com/content/supplementary/1471-2210-8-5-S4.xls]
We obtained below visualization using YED graph editor's "Organic Layout".