Percutaneous catheter drainage versus needle aspiration for liver abscess management: an updated systematic review, meta-analysis, and meta-regression of randomized controlled trials - Mahmoud, Abdelrahman; Abuelazm, Mohamed; Ahmed, Ali Ashraf Salah; Elshinawy, Mahmoud; Abdelwahab, Omar Ahmed; Abdalshafy, Hassan; Abdelazeem, Basel (Annals of Translational Medicine, 2023)