300 dpi: (d1509-1.jpg)
640 pixels wide: (d1509-1.jpg)
 Image Number D1509-1 |
Microbiologists Brad Bearson (left) and Shawn Bearson prepare to inoculate a pig with Salmonella enterica serovar Typhimurium to investigate Salmonella colonization in swine.
Photo by Peggy Greb.
