El-didamony, A. M., Hafeez, S. M., & Saad, A. A. (2015). EXTRACTION-SPECTROPHOTOMETRIC DETERMINATION OF SOME ANTIHYPERTENSIVE DRUGS IN PHARMACEUTICAL AND BIOLOGICAL FLUIDS USING TWO SULPHONPHTHALEIN DYES. International Journal of Applied Pharmaceutics, 7(1), 10-17. https://doi.org/10.22159/ijap.2015v7i1.6208