Walach H, Linde K, Eichenberger R, Stalder H, Kristensen FB, Kleijnen J. Summary Consensus Statement of the PEK Review Board regarding the PEK process and the PEK products, 27 September 2005. English and German versions available from the BAG PEK download page. Accessed August 2007. نسخة محفوظة 21 يناير 2022 على موقع واي باك مشين.
Peter Fisher, Homeopathy and the Lancet from "Evidence-Based Complementary and Alternative Medicine", 2006 3(1):145-147 Online at OxfordJournals.org.نسخة محفوظة 20 August 2008 على موقع واي باك مشين. Accessed August 2007.
Peter Fisher, Homeopathy and the Lancet from "Evidence-Based Complementary and Alternative Medicine", 2006 3(1):145-147 Online at OxfordJournals.org.نسخة محفوظة 20 August 2008 على موقع واي باك مشين. Accessed August 2007.
Walach H, Linde K, Eichenberger R, Stalder H, Kristensen FB, Kleijnen J. Summary Consensus Statement of the PEK Review Board regarding the PEK process and the PEK products, 27 September 2005. English and German versions available from the BAG PEK download page. Accessed August 2007. نسخة محفوظة 21 يناير 2022 على موقع واي باك مشين.