Comparison of oxidative stress markers between single and twin gestations in Dorper ewes during pregnancy, delivery and postpartum - Santarosa, B.P; Dantas, G.N; Ferreira, D.O.L; Hooper, Henrique Barbosa; Sinzato, Y.K; Damasceno, D.C; Polizel, Daniel Montanher; Silva, A.A. da; Gonçalves, R.C (Small Ruminant Research, 2021)