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GASTROENTEROLOGY
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Poly(Allylamine)
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CrossLinked with Epichlorohydrin
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Alkylated with
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[Cl(CH2)3](Me)2(CnH2n+1)NBr (n=6-10
[Cl(CH2)3](Me)2(CnH2n+1)NBr (n=6-10's products
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