title: In vitro model for transport of solutes in three-phase system. I. Theoretical principles.
mesh_terms: D000143:Acids; D000327:Adsorption; D000468:Alkalies; D001692:Biological Transport; D004058:Diffusion; D006863:Hydrogen-Ion Concentration; D007408:Intestinal Absorption; D007700:Kinetics; D008433:Mathematics; D008954:Models, Biological; D008956:Models, Chemical; D012996:Solutions
chemical_list: D000143:Acids; D000468:Alkalies; D012996:Solutions