Ayad, M.M. et al. 2015. DETERMINATION OF ETILEFRINE HYDROCHLORIDE, FENOTEROL HYDROBROMIDE, SALBUTAMOL SULPHATE AND ESTRADIOL VALERATE USING SURFACE PLASMON RESONANCE BAND OF SILVER NANOPARTICLES. International Journal of Pharmacy and Pharmaceutical Sciences. 7, 5 (May 2015), 327–333.