title: Possible involvement of neural substances in the abstinence like response of the guinea-pig ileum stimulated electrically at high frequency.
mesh_terms: D000109:Acetylcholine / Q000378:metabolism; D000818:Animals; D004558:Electric Stimulation; D006168:Guinea Pigs; D006801:Humans; D066298:In Vitro Techniques; D009130:Muscle, Smooth / Q000502:physiology*; D009270:Naloxone / Q000494:pharmacology; D009474:Neurons / Q000378:metabolism*; D012110:Reserpine / Q000494:pharmacology; D013375:Substance Withdrawal Syndrome / Q000503:physiopathology*
chemical_list: D009270:Naloxone; D012110:Reserpine; D000109:Acetylcholine