Yi‐Hsuan ShenYung‐Heng LeePui‐Ying Leong2026-02-032026-02-032023-01-2610.1111/1756-185X.14487https://scholars.csmu.edu.tw/handle/123456789/4679Botulinum toxin injection for refractory Raynaud phenomenon and digital ulcers in systemic sclerosisjournal-article