1) N.S. Dusdieker and R.W. Summers: Longitudinal and Circumferential Spread of Spike Bursts in Canine Jejunum in vivo, American Journal of Physiology, 239, G311/G318 (1980)
4) J. Christensen, J.R. Glover, E.O. Macagno, R.B. Singerman and N.W. Weisbrodt: Statistcs of Contractions at a Point in the Human Duodenum, American Journal of Physiology, 221, 1818/1823 (1971)
5) E.R. Engstrom, J.G. Webster and P. Bass: Analysis of Duodenal Contractility in the Unanesthetized Dog, IEEE Trans. on Biomedical Engineering, BME-26-9, 517/523 (1979)