Further Reading: Tribulus terrestris

• Chemical Constituents of Oriental Herbs, Hong-yen Hsu (Oriental Healing Arts Institute, 1985)
  
  
• Handbook of Chinese Herbs and Formulas, Him-Che Yeung (Institute of Chinese Medicine, 1983)
  
  
• A Natural Wonder, James Wright, Muscle and Fitness 1996 Sep;224:140-2.