Fig. 5From: Distinct nitrogen isotopic compositions of healthy and cancerous tissue in mice brain and head&neck micro-biopsiesOverview of the mouse head&neck tumor model δ15N data. a Mean δ15N of all head&neck tumor samples (open green circles), plotted along with the replicate averages from individual mice; b For all mice, difference in δ15N of tumor from tumor bed. Error bars are as in Fig. 3Back to article page