The four qualities of a physician are:

 * Efficient
 * Well-learned
 * Well-experienced
 * Hygienic

Sangneetha Rajah, Ayurveda from Hindupedia, the Hindu Encyclopedia, http://www.hindupedia.com/en/Ayurveda, last modified Feb. 10, 2009.

“Excellence in theoretical knowledge, extensive practical experience, dexterity, and cleanliness are the qualities of a physician. Ca Su IX.6” - Michael Dick, Sec. 4, p.1

Michael Dick, M.A., Ayurvedic Herbology Handbook, version VI, 2001: Sec. 4, p. 1.