K. MUÑOZ D., J. A. LONDOÑO L., G. J. ARANGO A., J. A. SIERRA R., and K. E. BRAVO M., “EFFECT OF EXTRACTION TECHNIQUE OF RUTA <I>GRAVEOLENS</I> ON ANTITYROSINASE ACTIVITY AND CORRELATION AMONGST INHIBITORY ACTIVITY, PHENOLIC COMPOUNDS CONTENT AND CYTOTOXICITY”, Vitae, vol. 14, no. 2, Feb. 2009.