title: Drug delivery systems.
mesh_terms: D000284:Administration, Oral; D003692:Delayed-Action Preparations; D005246:Feedback; D006801:Humans; D007700:Kinetics; D004364:Pharmaceutical Preparations / Q000008:administration & dosage* / Q000378:metabolism; D012869:Skin Absorption
chemical_list: D003692:Delayed-Action Preparations; D004364:Pharmaceutical Preparations