title: Elucidation by FAB-MS of the structure of a new cardioactive peptide from Aplysia.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D001048:Aplysia / Q000032:analysis*; D002316:Cardiotonic Agents / Q000302:isolation & purification*; D004947:Esophagus; D013058:Mass Spectrometry / Q000379:methods*; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects; D009200:Myocardial Contraction / Q000187:drug effects; D010455:Peptides / Q000302:isolation & purification* / Q000494:pharmacology
chemical_list: D002316:Cardiotonic Agents; D010455:Peptides