Figure 4.

Average numbers of ATC-matching drugs are plotted according to the drug ranks by the DRS. The other drug similarity measures are compared with the DRS. On the left, only exact matches up to 2nd ATC terms are considered, whereas on the right, matches up to 3rd ATC terms are considered.

Park and Kim BMC Systems Biology 2011 5(Suppl 2):S12   doi:10.1186/1752-0509-5-S2-S12