According to the method a test pad containing the peroxygen agent is wetted with a solution of guaiac in alcohol prior to removal from the protective foil package and exposure to a specimen of fecal material and water in {HEAD ~ a test} for {TAIL ~ occult blood} 
for
According to the method a test pad containing the peroxygen agent is wetted with a solution of guaiac in alcohol prior to removal from the protective foil package and exposure to a specimen of fecal material and water in { HEAD ~ a test } for { TAIL ~ occult blood }
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