Dr. Andrew Saul in 2022 – https://www.youtube.com/playlist?list=PLWfUcScvQbEwLgLNYTESekaAqCTEQuHw1
https://www.youtube.com/playlist?list=PLgtKw1QgfYrlyhDayTRpVa2ig0-w7Ohuv – https://www.youtube.com/playlist?list=PLgtKw1QgfYrkS5PaSKz9Gsy7qKifVCgxq
Dr. med. Robert Cathart – https://www.youtube.com/playlist?list=PLgtKw1QgfYrmca6rc_Q0OR4GUjU2Hopy6
Dr. med. Abram Hoffer – https://www.youtube.com/playlist?list=PLWfUcScvQbEzAS_7-WoDowqEcxx2z1PEu