<prompt> Mutsara 1: Muna 1999, Shelstad, pamwe chete naRobert Kottwitz, vakagadzira dzidziso ye twisted endoscopy uye vakapedza basa re tempered endoscopy muna 2008 - 9. Mutsara 2: Muna 1999, Robert Kottwitz akagadzira dzidziso ye endoscopy yakamonyoroka naShelstad uye akapedza basa re endoscopy yakadzikama muna 2008 - 9. Mubvunzo: Mutsara wokutanga nomutsara wechipiri unoreva chinhu chimwe chete here? Hungu kana kuti Aiwa?  <response>: Kwete 