b'Sunday Nov 14 Please note that the times are listed in GST , Gulf Standard Time (UTC +4 hours)1415-1545Master Videos 06RIRS and PCNLCo-chairsDaniel Prez-Fentes, Spain Ravindra Sabnis, IndiaIntroductionDaniel Prez-Fentes Ravindra SabnisRIRS in a Conventional Case, Step by StepThomas Hsueh, TaiwanDiscussionThomas HsuehRIRS in Challenging Situations: How to Make the Most of New TechnologiesThomas Tailly, BelgiumDiscussion Thomas TaillyMiniaturized PCNL and Standard PERC: Basic Steps and Clinical ApplicationVitor Cavadas, PortugalDiscussionVitor CavadasECIRS and Mini-ECIRS: Why and HowDaniel Prez-FentesDiscussionDaniel Prez-FentesTake-home MessageDaniel Prez-Fentes Ravindra SabnisBROADCAST SCHEDULE SIU@U 2021 21'