_PaperOrdering
No description
enum _PaperOrdering {
_hash_id_asc
_hash_id_desc
cord_uid_asc
cord_uid_desc
journal_asc
journal_desc
publish_time_asc
publish_time_desc
source_asc
source_desc
title_asc
title_desc
url_asc
url_desc
_id_asc
_id_desc
}