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Network of eligible comparisons for stenosis rate. BT, botulinum toxin; ETI, endoscopic triamcinolone injection; OS, oral steroid; OT, oral tranilast; OHA, oral hydrocortisone sodium succinate and aluminum phosphate gel; PEBD, preemptive endoscopic balloon dilatation; PGA, polyglycolic acid; PLA, placebo/no treatment; ST, stent.
