title: Precipitation membranes. I. The "conditioned" state.
mesh_terms: D001466:Barium Sulfate; D002476:Cellophane; D008564:Membrane Potentials; D008567:Membranes, Artificial
chemical_list: D008567:Membranes, Artificial; D001466:Barium Sulfate; D002476:Cellophane