| Terms | Database |
|---|---|
| (ace2[Title/Abstract]) OR ace 2[Title/Abstract] Filters: English | MEDLINE (PubMed) |
| (ace2 or ace 2).ab. and English.lg | Embase |
| ace2 in Title Abstract Keyword OR ace-2 in Title Abstract Keyword (Word variations have been searched) | Cochrane |
| (TS=(ace2 OR ace-2)) AND LANGUAGE: (English) AND DOCUMENT TYPES: (Article) | Web of Science |