Nadejda G. Grigorova

• 239 Clinical Case Studies of Electro Acupuncture by Voll , Homeopathic and Natural Remedies
• Electro Acupuncture by Voll (Eav) and Homeopathy
• Electro Acupuncture by Voll and Homeopathy
• Carbonitrides in nitrogen die and high speed steels