de León, D. and Quiñones, R. 1983. THE EFFICACY OF MK-401 (4-AMINO-6 TRICHLOROETHENYL-1,3-BENZENEDISULFONOMIDE) AGAINT FASCIOLA HEPATICA IN CATTLE UNDER PUERTO RICAN CONDITIONS. The Journal of Agriculture of the University of Puerto Rico. 67, 1 (Jan. 1983), 53–55. DOI:https://doi.org/10.46429/jaupr.v67i1.7691.