Schelkopf, Conrad S., Michael D. Apley, and Brian V. Lubbers. “Comparison of Electronic Nose and Conventional Cow-Side Diagnostic Tools for Detection of Ketosis in Early Lactation Dairy Cows”. The Bovine Practitioner 57, no. 2 (November 7, 2023): 5–15. Accessed July 23, 2024. https://bovine-ojs-tamu.tdl.org/bovine/article/view/8773.