title: [Distribution density of substance P containing nerve in the enteric plexus of the rat and guinea-pig gastrointestinal tract].
mesh_terms: D000818:Animals; D006168:Guinea Pigs; D009197:Myenteric Plexus / Q000166:cytology*; D009411:Nerve Endings / Q000032:analysis; D051381:Rats; D013373:Substance P / Q000032:analysis*
chemical_list: D013373:Substance P