Pérez, M., Ramírez, G., Pérez, M. and Restrepo, P. (1) “Validation of an analytical method for the determination of valsartan in human plasma by HPLC/UV with addition standard using losartan as an internal standard.”, Colombia Médica, 38(1), pp. 13-20. doi: 10.25100/cm.v38i1.469.