A COMPARISON AMONG PCNL, MINIPERC AND ULTRAMINIPERC FOR LOWER CALYCEAL STONES BETWEEN 1 AND 2 CM: A PROSPECTIVE, COMPARATIVE, MULTICENTER AND RANDOMISED STUDY Статья Bozzini G., Besana U., Calori A., Lorenzo B., Buizza C., Aydogan T.B., Müller A., Sighinolfi M.C., Rocco B., Govorov A., Pushkar D.Y., Pini G., Pastore A.L., Romero-Otero J. BMC Urology. BioMed Central. Том 20. 2020. 67 с.