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Search strategy and formulae.
| Database | Search Formula |
|---|---|
| Pubmed | (“Heart Failure”[Mesh]) AND (“Hypnotics and Sedatives”[Mesh] OR benzodiazepine) |
| Cochrane | “heart failure” AND hypnotics AND benzodiazepine |
| Scopus | “heart failure” AND hypnotics AND benzodiazepine |
| Dialnet | Insuficiencia cardiaca (insomnio OR hipnótico) |
| Total | 265 |
