title: Cholinesterase-positive and catecholamine-containing nerves in the guinea-pig pericardium.
mesh_terms: D000818:Animals; D002395:Catecholamines / Q000032:analysis*; D002802:Cholinesterases / Q000032:analysis*; D006168:Guinea Pigs; D008856:Microscopy, Fluorescence; D009413:Nerve Fibers, Myelinated / Q000032:analysis / Q000201:enzymology; D009474:Neurons / Q000032:analysis*; D010496:Pericardium / Q000294:innervation*
chemical_list: D002395:Catecholamines; D002802:Cholinesterases