Published: Apr 05, 2013 12:19 PM EDT
Updated: Apr 05, 2013 1:03 PM EDT

BONITA SPRINGS, Fla.- Dr. Zannos Grekos' license has been revoked in a unanimous decision by the Florida Board of Medicine.

The Bonita Springs doctor is accused of malpractice, for not informing a patient of the risks involved in a stem cell procedure back in 2010.

That patient later died. Another one of Dr. Grekos' patients also died from a stem cell procedure in 2012.