title: The membrane potential of Ehrlich ascites tumor cells: an evaluation of the null point method.
mesh_terms: D000818:Animals; D002286:Carcinoma, Ehrlich Tumor; D002460:Cell Line; D002463:Cell Membrane Permeability; D004594:Electrophysiology / Q000379:methods; D008564:Membrane Potentials / Q000187:drug effects*; D051379:Mice; D011188:Potassium / Q000378:metabolism*; D012964:Sodium / Q000378:metabolism*; D014634:Valinomycin / Q000494:pharmacology*
chemical_list: D014634:Valinomycin; D012964:Sodium; D011188:Potassium