Voloshin, Alexey G. http://orcid.org/0000-0001-5821-4296
Moiseeva, Irina V.
Article History
Accepted: 17 March 2021
First Online: 31 March 2021
Declarations
:
: This retrospective study protocol was approved by the local ethics committee of the Center of Endosurgery and Lithotripsy (CELT) Moscow, Russia, in accordance with the Declaration of Helsinki.
: Informed written consent was provided from the patients for participation in this study and publication of these accompanying images.
: The authors declare no competing interests.