title: Use of the constant perfusion technique in the nonsteady state.
mesh_terms: D006801:Humans; D007408:Intestinal Absorption; D008722:Methods; D010477:Perfusion / Q000379:methods*; D011092:Polyethylene Glycols; D013396:Suction; D014867:Water / Q000378:metabolism*
chemical_list: D014867:Water; D011092:Polyethylene Glycols