--- biblio.module	2014-01-23 10:48:59.902372799 +0100
+++ biblio.modificado.module	2014-01-23 10:49:02.351372789 +0100
@@ -1456,7 +1456,7 @@ function biblio_form_node_form_alter(&$f
   if ($form_id == 'biblio_node_form') {
     $form['#pre_render'][] = 'biblio_node_form_pre_render';
     if (!isset($form['biblio_tabs']['biblio_full_text']) && isset($form['body'])) {
-      unset($form['body']);
+     $form['body']['#access'] = FALSE;
     }
     if (empty($form_state['biblio_type']) &&
         empty($form['vid']['#value'])) {