Comparative distribution of cholecystokinin and other neuropeptides. Why is this peptide different from all other peptides?
D000818:Animals; D001923:Brain Chemistry; D002766:Cholecystokinin / Q000032:analysis*; D006801:Humans; D009419:Nerve Tissue Proteins / Q000032:analysis*; D013116:Spinal Cord / Q000032:analysis
D009419:Nerve Tissue Proteins; D002766:Cholecystokinin