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100 56 909 | Nov 2000 | DE |
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5679327 | Darkwa et al. | Oct 1997 | A |
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6328950 | Franzke et al. | Dec 2001 | B1 |
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197 35 865 | Apr 1999 | DE |
Entry |
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Chemical and Physical Behavior of Human Hair, Third Edition, Springer Verlag, New York Berlin Heidelberg London Paris Tokyo Hong Kong Barcelona Budapest, pp. 204-206 and 267. |