Efficacy of a 7-day vonoprazan, sitafloxacin, and amoxicillin triple therapy as a fourth-line salvage regimen for refractory Helicobacter pylori infection. - Geeratragool, Tanawat; Tansirichaiya, Supathep; Kamolvit, Witchuda; Atthakitmongkol, Thanapat; Leartsiwawinyu, Wasawat; Thaipisuttikul, Iyarit; Chuenprapai, Pritsana; Leelakusolvong, Somchai; Limwong, Chanin; Maneerattanaporn, Monthira (BMC Gastroenterology, 2025)