1. Intubation Studies of the Human Small Intestine: to the Digestive Tract, J. clin;ABBOTT, W.O.; HARTLINE, H.K.; HERVEY, J.P.; INGLEFINGER, F.J.; RAWSON, A.J.; ZETZEL, L.,1943
2. AGOSTONI, E., CHINNOCK, J. E., DALY, M. DE BURGH, and MURRAY, J. G. (1957): Functional and Histological Studies of the Vagus Nerve
3. ALVAREZ, W. C. (1915): 37, 267.
4. The Effects of Degenerative Section of the Vagi and the Splanchnics on the Digestive;HosoI, K.I.Y.O.S.H.I.; OVERGARD, A.; ASCANIO, H.;Tract, Ibid,1929
5. The Muscular Versus the Nervous Origin of the Rhythmic Contractions of the Gut, chapter X, in 'An