title: The effect of tetrodotoxin on normal and surgically-denervated canine hearts.
mesh_terms: D000818:Animals; D003714:Denervation; D003864:Depression, Chemical; D004285:Dogs; D006321:Heart / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects; D009200:Myocardial Contraction / Q000187:drug effects; D013779:Tetrodotoxin / Q000494:pharmacology*; D013997:Time Factors
chemical_list: D013779:Tetrodotoxin