push @{$field_selection}, add_fields('biblio','biblioitems'),
{value => q{}, text => '---ITEMS---' },
{value => 'items.content', text => 'items.content'},
push @{$field_selection}, add_fields('biblio','biblioitems'),
{value => q{}, text => '---ITEMS---' },
{value => 'items.content', text => 'items.content'},