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<http://webisa.webdatacommons.org/383507026>	<http://www.w3.org/ns/prov#value>	"The ratio of thicknesses is preferably as described above. [0175] In this aspect of the invention, the polymer is a material which, when in contact with aqueous fluids, is permeable to the pharmaceutical active." .
<http://webisa.webdatacommons.org/prov/47793092>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/383507026> .
<http://webisa.webdatacommons.org/383507026>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/105153847>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/383507026> .