Image Number K4205-13 |
High school senior Danielle Spearman counts blood platelets at the ARS Human Nutrition Research Center in Beltsville, Maryland.
Photo by Scott Bauer.
Image Number K4205-13 |
High school senior Danielle Spearman counts blood platelets at the ARS Human Nutrition Research Center in Beltsville, Maryland.
Photo by Scott Bauer.