Title:FACTORES ASOCIADOS A CARIES Y ENFERMEDAD PERIODONTAL EN MUJERES GESTANTES, BUCARAMANGA, 2001 / FACTORS ASSOCIATED WITH CARIES AND PERIODONTAL CONDITION OF PREGNANT WOMEN IN THE CITY OF BUCARAMANGA
Title:Synthesis and characterization of hybrides membranes composed of chitosan, polyvinyl alcohol and silica for its application in dehydration of gases / Síntesis y caracterización de membranas híbridas a partir de quitosan, polivinil alcohol y sílice para su aplicación en deshidratación de gases