title: The effect of pH on the selective permeability of the guinea-pig amnion to monovalent ions.
mesh_terms: D000650:Amnion / Q000378:metabolism*; D000818:Animals; D002463:Cell Membrane Permeability; D002712:Chlorides / Q000378:metabolism*; D006168:Guinea Pigs; D006863:Hydrogen-Ion Concentration; D066298:In Vitro Techniques; D008564:Membrane Potentials; D011188:Potassium / Q000378:metabolism*; D012964:Sodium / Q000378:metabolism*
chemical_list: D002712:Chlorides; D012964:Sodium; D011188:Potassium