diff --git a/lib/noosfero/api/entities.rb b/lib/noosfero/api/entities.rb
index 253a773..991458b 100644
--- a/lib/noosfero/api/entities.rb
+++ b/lib/noosfero/api/entities.rb
@@ -68,7 +68,8 @@ module Noosfero
         expose :created_by, :as => :author, :using => Profile
         expose :profile, :using => Profile
         expose :categories, :using => Category
-        expose :parent, :using => Article
+        # FIXME: create a method that overrides expose and include conditions for return attributes
+        expose :parent, :using => Article, :if => lambda { |article, options| options[:fields].blank? || options[:fields].include?(:parent) }
         expose :children, :using => ArticleChild
         expose :image, :using => Image
       end
diff --git a/lib/noosfero/api/v1/articles.rb b/lib/noosfero/api/v1/articles.rb
index 3d7bfcc..6ee4b3a 100644
--- a/lib/noosfero/api/v1/articles.rb
+++ b/lib/noosfero/api/v1/articles.rb
@@ -33,7 +33,7 @@ module Noosfero
             article = find_article(environment.articles, params[:id])
             articles = select_filtered_collection_of(article, 'children', params)
             articles = articles.display_filter(current_person, nil)
-            present articles, :with => Entities::Article
+            present articles, :with => Entities::Article, :fields => [:id, :name, :abstract, :author]
           end
   
           get ':id/children/:child_id' do
--
libgit2 0.21.2