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publicationDate 1984-10-02-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber US-4474769-A
titleOfInvention Chitosan as a contraceptive
abstract A method of contraception comprising placing in the uterine cavity a contraceptively effective amount of chitosan, advantageously in a carrier, and retaining the chitosan in the uterine cavity for a prolonged period of time to kill or inactivate mammalian spermatazoa.
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