title: [Inhibitory action of 3,4-dihydroxybenzaldehyde on membrane potential duration and contraction of the papillary muscles in guinea pigs].
mesh_terms: D000818:Animals; D001547:Benzaldehydes / Q000494:pharmacology*; D002396:Catechols / Q000494:pharmacology*; D003864:Depression, Chemical; D005260:Female; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008297:Male; D008564:Membrane Potentials / Q000187:drug effects; D009200:Myocardial Contraction / Q000187:drug effects*; D010210:Papillary Muscles / Q000187:drug effects*
chemical_list: D001547:Benzaldehydes; D002396:Catechols; C005581:protocatechualdehyde