Strategy

1. exp HEMOPHILIA A/ 2. exp ACQUIRED HEMOPHILIA A/ 3. ((hemo?phi$ or haemo?phi$) adj (A)).tw,kf,ot. 4. (acquire$).tw,kf,ot. 5. 3 and 4 6. AH.tw. 7. AHA.tw. 8. or/6‐7 9. 1 or 2 or 5 or 8 10. exp ANTIBODIES, MONOCLONAL/ 11. (antibod$ adj2 monoclonal$).tw,kf,ot. 12. 10 or 11 13. rituximab$.tw,kf,ot,nm. 14. ((CD20 or CD‐20 or CD 20) adj3 antibod$).tw,kf,ot,nm. 15. (ANTI‐CD20 or ANTI CD20).tw,kf,ot,nm. 16. or/13‐15 17. 9 and (12 or 16) 18. randomized controlled trial.pt. 19. controlled clinical trial.pt. 20. randomized.ab. 21. placebo.ab. 22. drug therapy.fs. 23. randomly.ab. 24. trial.ab. 25. groups.ab. 26. or/18‐25 27. humans.sh. 28. 26 and 27 29. 17 and 28