Centre for Reviews and Dissemination.
| Line | Search | Hits |
|---|---|---|
| 1 | MeSH DESCRIPTOR helicobacter pylori EXPLODE ALL TREES | 257 |
| 2 | MeSH DESCRIPTOR helicobacter infections EXPLODE ALL TREES | 248 |
| 3 | ((helicobacter or campylobacter or h) adj2 pylori*):TI | 229 |
| 4 | #1 OR #2 OR #3 | 288 |
| 5 | MeSH DESCRIPTOR breath tests EXPLODE ALL TREES | 50 |
| 6 | ((urea adj2 breath*) or (carbon* adj2 urea)):TI | 8 |
| 7 | (CUBT* or UBT* or 13C or 14C):TI | 4 |
| 8 | (Helikit* or Meretek* UBT or PYtest* or UBIT* or Helibactertest*):TI | 0 |
| 9 | #5 OR #6 OR #7 OR #8 | 52 |
| 10 | #4 AND #9 | 29 |
| 11 | (#10):TI FROM 2003 TO 2012 | 18 |