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. 2017 Sep 30;14:46. doi: 10.1186/s12983-017-0230-0

Fig. 2.

Fig. 2

Cardiomyograms displaying changes in the T. molitor heartbeat frequency after treatment with N. fodiens venom and S. araneus saliva. a Application of 10 μl of venom extract of N. fodiens. b Application of fraction no. 5 from N. fodiens venom. c Treatment with 10 μl of saliva extract of S. araneus. The sample application is indicated by an arrow