Mwamengele, G., and J. Matovelo. “An Autopsy Survey on The Pathoanatomical Forms of Canine Spirocercosis in Tanzania”. Tanzania Veterinary Journal, vol. 14, no. 1, June 1994, pp. 16-21, https://tvj.sua.ac.tz/vet2/index.php/TVJ/article/view/498.