| http://www.w3.org/ns/prov#value | - sting of the device and rapid release of beneficial agent as a bolus, said trigger means attached to said semipermeable membrane and said trigger means activated by a predetermined pH of from 3 to 9 wherein said device includes an aqueous swellable material and wherein said device is a capsule, said capsule formed from capsule parts, said capsule parts bonded together with said pH-sensitive trigge
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