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| - 40.) Also, see Weng et al., U.S. Pat. No. 4,740,468, issued Apr. 26, 1988, herein incorporated by reference, especially at columns 2 and columns 6, 7, and 8; and Litman et al., U.S. Pat. No. 4,843,000, issued Jun. 27, 1989, and Litman et al., U.S. Pat. No. 4,849,338, issued Jul. 18, 1989, also incorporated herein by reference.)
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