A randomized prospective study: assessment of transient ureteral stenting by mono-J insertion after primary URS and stone extraction (FaST 3).

"Declarations Conflict of interestThe authors have no relevant financial or non-financial interests to disclose. Ethics approvalAll procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study was approved by the Ethics Committee of the Medical University of Ruhr University Bochum, Germany (No. 18–6435). Consent to participateInformed consent was obtained from all individual participants included in the study. Conflict of interest The authors have no relevant financial or non-financial interests to disclose."

"Funding Open Access funding enabled and organized by Projekt DEAL. None."