title: Role of divalent cations in excitation of squid giant axons.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001369:Axons / Q000502:physiology*; D002122:Calcium Chloride / Q000494:pharmacology*; D002127:Calcium Isotopes; D002586:Cesium / Q000494:pharmacology; D002712:Chlorides; D005459:Fluorides / Q000494:pharmacology; D066298:In Vitro Techniques; D007477:Ions / Q000494:pharmacology*; D008274:Magnesium / Q000494:pharmacology*; D008564:Membrane Potentials / Q000187:drug effects; D008974:Mollusca; D010477:Perfusion; D011189:Potassium Chloride / Q000494:pharmacology
chemical_list: D002127:Calcium Isotopes; D002712:Chlorides; D007477:Ions; D002586:Cesium; D011189:Potassium Chloride; D008274:Magnesium; D002122:Calcium Chloride; D005459:Fluorides