Comparison of the long-term results of puncture, aspiration, injection and re-aspiration (PAIR) and catheterization techniques for the percutaneous treatment of CE1 and CE3a liver hydatid cysts: a prospective randomized trial - Akhan, O; Erdoğan, E; Ciftci, T T; Unal, E; Karaağaoğlu, E; Akinci, D (Cardiovasc Intervent Radiol, 2020)