Polarity analysis, a new approach to increase the precision of homeopathic prescriptions - ScienceDirect
Polarity Analysis in Homeopathy: A Precise Path to the Simillimum by Heiner Frei (2013-06-07): Amazon.com: Books
H1N1 Influenza: A Prospective Outcome Study with Homeopathy and Polarity Analysis
Polarity Analysis for Acute and Chronic Illness - 1 DVD, Heiner Frei, "Homeopathy from Childhood to Old Age Congress 2014” at March 16, in Bad Krozingen Germany - Narayana Verlag
Polarity analysis, a new approach to increase the precision of homeopathic prescriptions - ScienceDirect
Polarity Analysis in Homeopathy: A Precise Path to the Simillimum - Kindle edition by Frei, Heiner. Professional & Technical Kindle eBooks @ Amazon.com.
Polarity Analysis — Heiner Frei MD
Homeopathic treatment of multimorbid patients: a prospective outcome study with polarity analysis - ScienceDirect