title: Membrane systems: theoretical aspects.
mesh_terms: D003692:Delayed-Action Preparations; D004058:Diffusion; D006801:Humans; D007700:Kinetics; D008433:Mathematics; D008567:Membranes, Artificial; D008954:Models, Biological; D004364:Pharmaceutical Preparations / Q000008:administration & dosage / Q000378:metabolism*; D011108:Polymers; D012995:Solubility
chemical_list: D003692:Delayed-Action Preparations; D008567:Membranes, Artificial; D004364:Pharmaceutical Preparations; D011108:Polymers