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Pharmacopea:History and authority: Proved and introduced in 1821 by Franz. Archiv, Vol. II, 165; Allen: Encyclop Mat. Med. Vol. VIII, 257; Hering: Guiding Symptoms, IX, 1.
proved by Dr. Diez, Austria, 6 provers, published in the Austrian journal Documenta Homoeopathica No.19, and here in the portal