Where used:
| Dataset | HES GENERAL EPISODE RECORD (deleted) | references in description DURATION OF EPISODE (deleted) |
| Dataset | HES OTHER DELIVERY-OTHER BIRTH EVENT RECORD (deleted) | references in description DURATION OF EPISODE (deleted) |
| Dataset | HES GENERAL EPISODE RECORD (deleted) | references in description DURATION OF EPISODE (deleted) |
| Dataset | HES OTHER DELIVERY-OTHER BIRTH EVENT RECORD (deleted) | references in description DURATION OF EPISODE (deleted) |