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Table 2 Details of electronic bibliographic database search strategies

From: Clinical manifestations of tension pneumothorax: protocol for a systematic review and meta-analysis

Ovid MEDLINE and MEDLINE In-Process & Other Non-indexed Citations and the Cochrane Database of Systematic Reviews Ovid EMBASE
1. Exp Pneumothorax/ 1. Exp Pneumothorax/
2. Tension pneumothora$.mp. [mp = title, original title, abstract, name of substance word, subject heading word, unique identifier] 2. Tension pneumothora$.mp. [mp = title, original title, abstract, name of substance word, subject heading word, unique identifier]
3. Tension.mp 3. Exp Tension/
4. Tension physiolog$.mp 4. Tension.mp
5. Expanding.mp 5. Tension physiolog$.mp
6. Needle thoracentesis.mp 6. Expanding.mp
7. Thoracentesis.mp 7. Needle thoracentesis.mp
8. Needle thoracostomy.mp 8. Thoracentesis.mp
9. Needle aspiration.mp 9. Needle thoracostomy.mp
10. Chest decompression.mp 10. Needle aspiration.mp
11. Thoracic decompression.mp 11. Chest decompression.mp
12. Pleural decompression.mp 12. Thoracic decompression.mp
13. 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10 or 11 or 12 13. Pleural decompression.mp
14. 1 and 13 14. 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10 or 11 or 12 or 13
15. 2 or 14 15. 1 and 14
  1. 2 or 15
  1. ‘exp’ denotes that the search will be exploded; ‘$’ indicates that a wild card search will be performed: thus, with the use of this symbol, when ‘pneumothora$’ is searched, both ‘pneumothorax’ and ‘pneumothoraces’ will be searched.