Complications of automated spring fired biopsy gun technique. A retrospective analysis of 230 cases Posted on March 4, 2019July 26, 2022 by admin ORIGINAL ARTICLE Hippokratia 2014, 18, 1: 40-43 Lubomirova M, Tzocheva T, Hristova M, Bogov B Clinic of Nephrology, University Hospital ”Alexandrovska”, Sofia, Bulgaria