video1.02. Dr. Stefan Lanka - CPE - Control Experiment - 21 April 2021COVID Mysteries Solvedhttps://odysee.com/@CV19Answers:4Odyseehttps://odysee.comhttps://thumbnails.odycdn.com/card/s:1280:720/quality:85/plain/https://spee.ch/4/07255a35da379b0e.png390220560315