Different samples: Blood test tests things in the blood. Urine test tests things in the urine. Stool test tests things in the stool. They are different samples of the body so you test for different things such as infections and electrolytes.
Answered 12/9/2017
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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