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. Author manuscript; available in PMC: 2011 Jul 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2010 Mar 31;21(7):1218–1222. doi: 10.1016/j.jasms.2010.03.033

Figure 3.

Figure 3

FT-ICR MS with 9.4 Tesla magnetic field detects isotopic fine structure of substance P. The simulation of substance P mass spectrum at 1,600,000 resolution fits the data.