CHATSWORTH, Calif.--(BUSINESS WIRE)--North American Scientific, Inc. (Nasdaq:NASI) announced today that it has been invited to present at the Sixth Annual Needham & Company, LLC Biotechnology and Medical Technology Conference, which will take place at the New York Palace Hotel. The Company is scheduled to discuss its business strategies and market opportunities on Wednesday, June 13, 2007 at 1:30 p.m. Eastern Time.
