Add Yahoo as a preferred source to see more of our stories on Google. human red blood cells under microscope with two white blood cells When a pregnant woman had her blood sampled back in 1972, ...
Walt (oneminmicro) on MSN
White blood cell searching for bacteria/virus under the microscope!
Watch a white blood cell actively searching for bacteria or viruses under the microscope.
Add Yahoo as a preferred source to see more of our stories on Google. human red blood cells under microscope with two white blood cells When a pregnant woman had her blood sampled back in 1972, ...
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