A cosmetic and/or pharmaceutical composition containing: (a) a polycarbonate having a molecular weight of from about 300 to 100,000; (b) optionally, an oil component; (c) optionally, an emulsifier; and (d) optionally, water.

 
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> Antigenic, non-toxic mutants of Clostridium septicum alpha toxin and vaccines, antibodies, sera, and methods of treatment therewith
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