[1]
G. H. Toniollo, W. R. R. Vicente, C. A. de Oliveira, E. B. Malheiros, and A. C. Pugliese, “Progesterone -17alpha -OH and androstenediona serum levels evaluation during the oestrus cycle in guilts (Sus Scrofa Domestica - Linnaeus, 1758)”, Braz. J. Vet. Res. Anim. Sci., vol. 35, no. 5, pp. 205–209, Jan. 1998, doi: 10.1590/S1413-95961998000500002.