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. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: J Biomed Inform. 2011 Aug 25;45(1):15–29. doi: 10.1016/j.jbi.2011.08.013

Fig. 5.

Fig. 5

Differing degrees of complexity for overlapping concepts in the area {substance}. The green overlapping concepts are more complex than the orange overlapping concept which is more complex than the yellow overlapping concepts.