'meta_query' => array(
array(
'key' => 'contracted_flag',
'value' => 'off'
)
)
ーーーーーーーーーーーーーーーーーーー
$args = array(
'orderby' => 'modified',
'post_status' => 'publish',
'post_type' => 'clinics',
'posts_per_page' => '10',
'meta_query' => array(
array(
'key' => 'contracted_flag',
'value' => 'off'
)
)
);