本草考证
Herbal research
Herbal textual research
Textual research on materia medica
Textual Research of Herbs
herbalogical textual research
herbal science
Herbal study
textual research
original plant anthenticates
Herbological study
textual study
herbalogical stud
Herbalogical study
史料考证
Textual research of historical records
Textual Research on Historical Data
Historical reference textual research
生平考证
biographical verification