Essential of Shang Han Lun - Dr. Zhijiang Chen's Chinese Herbal Remedies Series : Twenty Major Content

Yin and Yang, Internal and External, Excess or Deficiency, Cold or Heat, Dryness or Dampness / Moisture, Qi or Blood, Mild or Severe Condition, Truth or Fake, Favorable and Unfavorable-Reverse Condition, Treatable and Non-treatable