Exhibit 23.1
L.L. Bradford & Company, LLC
3441 South Eastern Avenue
Las Vegas, Nevada 89169
(702) 735-5030
February 11, 2008
U.S. Securities and Exchange Commission
Division of Corporation Finance
450 Fifth Street, N.W.
Washington, D.C. 20549
Re: Human BioSystems
Dear Sir/Madame:
As independent registered public accountants, we hereby consent to the use in this Registration Statement on Form S-1 of our report dated March 27, 2007, relating to the financial statements of Human BioSystems.
Sincerely,
/s/ L.L. Bradford & Company, LLC
L.L. Bradford & Company, LLC