Ogbamgba, V. M., N. C. Johnson, and J. T. Mbachiantim. “Essential Fundamentals of Pre-Surgery Protocols for Conducting Successful Surgery, Such As Cannulation in the Pig”. European Journal of Science, Innovation and Technology, Vol. 1, no. 6, Dec. 2021, pp. 96-99, http://ejsit-journal.com/index.php/ejsit/article/view/54.