. Author manuscript; available in PMC: 2014 Sep 2.
Published in final edited form as: J Am Mosq Control Assoc. 2007 Jun;23(2):153–160. doi: 10.2987/8756-971x(2007)23[153:uhefwn]2.0.co;2
Copyright © 2007 by The American Mosquito Control Association, Inc.