Interview in the documentary-film What the Health by Kip Andersen (2017).
Michael Klaper: High
Michael Klaper is American physician. Explore interesting quotes on high."Interview with Michael Klaper, M.D." https://web.archive.org/web/20141113185517/https://www.healthscience.org/about/nha-history/books-and-publications/health-science-summer-2013/interview-michael-klaper-md by Mark Huberman, National Health Association (29 April 2014).
Interview in the book What the Health https://books.google.it/books?id=FIY8DgAAQBAJ&pg=PT0 by Eunice Wong (Xlibris, 2017), ch. 1.
Interview in the documentary-film What the Health by Kip Andersen (2017).