Johansen, B., Lyngso, J. M., & Bech, K. (1993). Dogs with a Gastric Fistula: A Simple but Advanced Model for Simultaneous Recording of Secretion, Motility, Blood Flow and Output of Hormones. Scandinavian Journal of Laboratory Animal Science, 20(3). https://doi.org/10.23675/sjlas.v20i3.737