Franco, Marina, et al. “Ultrasonography of the Penile Urethra of Healthy Dorper × Santa Ines Lambs Between 2 and 5 Months of Age”. Semina: Ciências Agrárias, vol. 47, no. 1, Mar. 2026, pp. 23-34, doi:10.5433/1679-0359.2026v47n1p23.