606-064 Exhibit 13 Most cited Papers by George M. Whitesides, Published since 1992 (Ranked by Total Citations) Rank Paper Total Citations 1 C.S. Chen, et al.. "Geometric control of cell life and death," Science. 276 420 (5317): 1425-8,1997. 2 A. Kumar. H.A. Biebuyck, G.M. Whitesides, "Patternin