Brief Research ReportPublished 27 November 2025Diagnostics of cutaneous adverse drug reactions: evaluation of patch tests, lymphocyte transformation tests, and drug provocation testsTomomu Ishikawa · Risa Tamagawa-Mineoka · Koji Masuda · Norito Katoh · Takeshi FukumotoJournal of Cutaneous Immunology and Allergydoi 10.3389/jcia.2025.15760