- ISBN: 9781567449860 | 1567449867
- Cover: Paperback
- Copyright: 7/1/2012
Avicenna in his Law of Natural Healing (Canon of Medicine), Lecture 1, defines medicine and the causes of health and disease describing the material, efficient, formal and final causes. He then explains other factors to consider. It also contains O. Cameron Gruner's extensive endnotes.