%0 Journal Article %T The roles of veterinarians in meeting the challenges of health and welfare of livestock and global food security %A Sigfrido Burgos C¨¢ceres %J Veterinary Research Forum %D 2012 %I Urmia University %X N/A %K N/A %U www.urmia.ac.ir/vrf/Shared%20Documents/pdf/vol-3%20no-3/155-157-Letter%20to%20the%20Editor.pdf