A. de M. Ferreira, C. A. A. Torres, and J. F. C. da Silva, “Weight to reestablish the ovarian luteal cyclic activity in cross bred milk cows in anestrus”, PAB, vol. 34, no. 3, pp. 481–485, Mar. 1999, doi: 10.1590/S1678-3921.pab1999.v34.5180.