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Structural analysis of the neuropeptide substance P by using vibrational spectroscopy | SpringerLink
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The role of substance P in inflammatory disease - O'Connor - 2004 - Journal of Cellular Physiology - Wiley Online Library
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Table 1 from The Impact of Substance P (SP) N-Terminal Metabolite SP1-7 in Opioid Tolerance and Withdrawal | Semantic Scholar
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