"Biomaterials". Development Cooperation Project. Univ. El Salvador May 2019 14 may 2019 - 09:40 CETDr. María Vallet-Regí gave the lecture "Biomaterials". Development cooperation project "Cheap technologies to purify water polluted by heavy metals". Visit of Spanish researchers to El Salvador for the consolidation and translation of experimental techniques between the University of El Salvador and ANDA. University of El Salvador. 14 May 2019. Galería Imágenes Volver »