Iwase, S., Y. Matui, K. Hoshi, and S. Motoyoshi. “Treatment of Acute Rumen Dilation With Oral Administration of Activated Charcoal”. The Bovine Practitioner, vol. 1991, no. 26, Sept. 1991, pp. 146-7, doi:10.21423/bovine-vol1991no26p146-147.