Table 1.
The search strategy for PubMed.
| Query | Search term |
|---|---|
| #1 | Gastroesophageal reflux (mesh) |
| #2 | Gastroesophageal reflux (Title/Abstract) or gastroesophageal reflux disease (Title/Abstract) or Gastric acid reflux (Title/Abstract) OR gastro-oesophageal reflux (Title/Abstract) or gastroesophageal reflux (Title/Abstract) or Barrett esophagus (Title/Abstract) or esophagitis (Title/Abstract) |
| #3 | #1 OR #2 |
| #4 | Traditional Chinese medicine (mesh) |
| #5 | Chinese medicine (Title/Abstract) or Banxia Xiexin decoction (Title/Abstract) OR herbal medicine (Title/Abstract) |
| #6 | #4 OR #5 |
| #7 | Meta-analysis as topic (mesh) |
| #8 | Systematic review (Title/Abstract) or meta-analysis (Title/Abstract) or meta-analysis (Title/Abstract) or meta-analyses (Title/Abstract) or meta-analysis (Title/Abstract) |
| #9 | #7 OR #8 |
| #10 | #3 AND #6 AND #9 |