On Master Copy of Annotation of Materia Medica and Its Counterpart New Materia Medica

Annotation of Materia Medica has a three-volume version and a seven-volume version.New Materia Medica was written based on the seven-volume version of Annotation of Materia Medica. By comparing the unearthed remaining volumes of Annotation of Materia Medica with New Materia Medica, the author has found that the master copy of Annotation of Materia Medica is different from other versions.