BONILLA Q. D. A.; PEÑUELA B. L. F.; SIERRA M. N.; DÍAZ F. J. E.; ROJAS B. J. H. DEVELOPMENT AND VALIDATION OF AN ANALYTICAL METHODOLOGY FOR COCAINE HYDROCHLORIDE DETERMINATION IN A SYNTHETIC POLYMER BY ULTRAVIOLET SPECTROMETRY. Vitae, v. 15, n. 1, 16 Feb. 2009.