1.
Madureira EH, Barnabe RC, Pinto PA, Barnabe VH, Martins Sobrinho EO. Progesterone concentrations measured by radioimmunoassay in blood plasma and in fat-free milk of Gir breed cows iBos indicus). Determinations during oestrus cycle. Early pregnancy diagnosis. Braz. J. Vet. Res. Anim. Sci. [Internet]. 1990 Dec. 2 [cited 2024 Apr. 29];27(2):247-53. Available from: https://www.revistas.usp.br/bjvras/article/view/51858