CALLAHAN, C. J.; HORSTMAN, L. A. Some Characteristics of Twin Births in a Holstein Herd. The Bovine Practitioner, [S. l.], v. 1993, n. 27, p. 141–142, 2019. DOI: 10.21423/bovine-vol1993no27p141-142. Disponível em: https://bovine-ojs-tamu.tdl.org/bovine/article/view/411. Acesso em: 6 may. 2024.