New provings of the following remedies: Cistus canadensis by Constantine Hering, Cobaltum by Constantine Hering, Zinziber by C. Gunderlach, Mercurius protojodatus by W. James Blakely

New provings of the following remedies: Cistus canadensis by Constantine Hering, Cobaltum by Constantine Hering, Zinziber by C. Gunderlach, Mercurius protojodatus by W. James Blakely