title: Guinea-pig ocular nerves contain a peptide of the cholecystokinin/gastrin family.
mesh_terms: D000818:Animals; D002766:Cholecystokinin / Q000032:analysis*; D005123:Eye / Q000294:innervation*; D005755:Gastrins / Q000032:analysis*; D006168:Guinea Pigs; D008856:Microscopy, Fluorescence; D009412:Nerve Fibers / Q000032:analysis*
chemical_list: D005755:Gastrins; D002766:Cholecystokinin