1. Parkman, H.P., Hasler, W.L., Barnett, J.L., Eaker, E.Y.: Electrogastrography: a document prepared by the gastric section of the American Motility Society Clinical GI Motility Testing Task Force. Neurogastroenterol. Motil. 15(2), 89–102 (2005)
2. Gopu, G., Porkumaran, K., Neelaveni, R.: Investigation of digestive system disorders with cutaneous electrogastrogram (EGG) signal—an engineering approach. Eur. J. Sci. Res. 53(2), 210–221 (2011)
3. Matsuura, Y., Takada, H.: Comparison of electrogastrograms in seated and supine positions using Wayland Algorithm. Adv. Sci. Technol. Eng. Syst. J. 4(4), 42–46 (2019)
4. Koch, K.L., Stern, R.M.: Handbook of Electrogastrography. Oxford University Press, New York (2004)
5. Matsuura, Y., Takada, H., Yokoyama, K., Shimada, K.: Proposal for a new diagram to evaluate the form of the attractor reconstructed from electrogastrography. Forma 23, 25–30 (2008)