Where used:
| Data Set | HES - CDS Data items cross referenced by HES Item - Table 2 | references in description GESTATION LENGTH |
| Data Set | HES - CDS Data items cross referenced by HES Name - Table 1 | references in description GESTATION LENGTH |
| Data Set | HES - CDS Data items cross referenced by HES Item - Table 2 | references in description GESTATION LENGTH |
| Data Set | HES - CDS Data items cross referenced by HES Name - Table 1 | references in description GESTATION LENGTH |