Microencapsulation.
D000336:Aerosols; D002214:Capsules; D002626:Chemistry, Pharmaceutical; D003692:Delayed-Action Preparations; D004304:Dosage Forms; D006863:Hydrogen-Ion Concentration; D008722:Methods; D011208:Powders; D013535:Suspensions; D013678:Technology, Pharmaceutical / Q000295:instrumentation
D000336:Aerosols; D002214:Capsules; D003692:Delayed-Action Preparations; D004304:Dosage Forms; D011208:Powders; D013535:Suspensions