Ghaffar Hurtado
![142nd APHA Annual Meeting and Exposition (November 15 - November 19, 2014): http://www.apha.org/events-and-meetings/annual](images/banner.jpg)
Research Fellow
University of Minnesota
St. Paul,
MN
USA
hurt0033@umn.edu
Research Fellow
University of Minnesota
St. Paul,
MN
USA
hurt0033@umn.edu