%0 Journal Article %T Simposios %A Juan Gonzalo L¨®pez %A Ana Cristina Nogueira %A Ludis Morales %A Efra¨ªn Alonso G¨®mez %J Biom¨¦dica %D 2011 %I Instituto Nacional de Salud %U http://www.revistabiomedica.org/index.php/biomedica/article/view/434