And for now: two innovative methods.
D003692:Delayed-Action Preparations; D003915:Dextromethorphan / Q000008:administration & dosage; D006801:Humans; D007213:Indomethacin / Q000008:administration & dosage; D011108:Polymers
D003692:Delayed-Action Preparations; D011108:Polymers; D003915:Dextromethorphan; D007213:Indomethacin