1.
Rivera-Anaya JD, Berrocal CM. "Valsyn Mix" In Comparative Studies of the Prevention of Coliform Diarrhea in Calves. JAUPR [Internet]. 1966 Oct. 1 [cited 2022 Aug. 11];50(4):280-92. Available from: https://revistas.upr.edu/index.php/jaupr/article/view/3467