Lautenbacher, StefanStefanLautenbacher0000-0002-2829-347XCeynowa, NiklasNiklasCeynowaBurlakovas, MakarasMakarasBurlakovasLang, PhilipPhilipLangKunz, MiriamMiriamKunz2026-08-112026-08-1120251536-5409https://fis.uni-bamberg.de/handle/uniba/116723engObserver Scales of Facial Pain Expression Can Significantly Predict Acute Postoperative Pain in the Recovery Roomarticle10.1097/ajp.0000000000001300