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. 2006 Nov 6;7:489. doi: 10.1186/1471-2105-7-489

Figure 6.

Figure 6

Graph with four possible paths between nodes. While four paths are possible between the nodes in this graph [(a → c → d), (a → c → e), (b → c → d), and (b → c → e)], only two full paths, e.g., (a → c → d) and (b → c → e), are required to capture all of the existing relationships between the nodes.