title: Mass spectra of underivatized peptide amides related to substance P.
mesh_terms: D000577:Amides; D000595:Amino Acid Sequence; D013058:Mass Spectrometry; D009842:Oligopeptides; D013373:Substance P
chemical_list: D000577:Amides; D009842:Oligopeptides; D013373:Substance P