E. C. Jardim and C. A. X. Bezerra, “FRUCTOSE AND CITRIC ACID LEVELS IN SEMEN OF Bos indicus (NELORE BREED)”, Pesq. Agropec. Trop., vol. 17, no. 1, pp. 101–105, Nov. 2007, doi: 10.5216/pat.v17i1.2501.