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| Methods | Prospective, randomized study |
| Participants | A total of 56 patients were recruited in this study |
| Interventions | Patients underwent spinal anaesthesia for extra‐corporeal shockwave lithotripsy using either a Sprotte 24 G (n = 28) or Vygon 29 G or Quincke type needle (n = 28) |
| Outcomes | Frequency of PDPH |
| Notes | — |
