Ultrasound-guided pudendal nerve block in patients undergoing open hemorrhoidectomy: a double-blind randomized controlled trial.
Matteo Di GiuseppeAndrea SaporitoDavide La ReginaEdoardo TasciottiEnea GhielminiAlberto VannelliRamon PiniFrancesco MongelliPublished in: International journal of colorectal disease (2020)
ClinicalTrials.gov Identifier: NCT04251884.