A valuable reference repertory for deeper comparative research.It contains several rubrics which cannot be found elsewhere. One of the best reference books written by Dr. Constantine Hering with his vast experience & practical knowledge in the field. Specially commended for the busy practitioner by presenting Materia Medica in a form which will render prescribing an easy task. A complement to all other Materia Medicas, it is chiefly a collection of cured symptoms verified from own practice.