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Table 1 Search strategy for MEDLINE using Ovid platform

From: Effect of the duration of antimicrobial exposure on the development of antimicrobial resistance (AMR) for macrolide antibiotics: protocol for a systematic review with a network meta-analysis

Theme Line number Searches
Antimicrobial resistance 1. drug resista* or exp drug resistance, microbial/
2. bacterial resistan*.ti,ab.
3. antimicrobial resistan*.ti,ab.
4. 1 or 2 or 3
Macrolides 5. MACROLIDES/
6. (Azithromycin or Clarithromycin or Erythromycin or Fidaxomicin or Telithromycin or Carbomycin A or Josamycin or Kitasamycin or Midecamycin or midecamycin acetate or Oleandomycin or Solithromycin or Spiramycin or Troleandomycin or Tylosin or tylocine or Roxithromycin).ti,ab.
7. 5 or 6
Antimicrobial resistance studies that use macrolides (any design) 8. 4 and 7
MEDLINE filter for clinical trials 9. randomised controlled trial.pt.
10. controlled clinical trial.pt.
11. randomised.ab.
12. placebo.ab.
13. drug therapy.fs.
14 randomly.ab.
15. trial.ab.
16. groups.ab.
17. arms.ab.
18. 9 or 10 or 11 or 12 or 13 or 14 or 15 or 16 or 17
19. exp animals/ not humans.sh.
20. 19 not 18
Antimicrobial resistance studies that use macrolides in clinical trials 21. 8 and 20