Occult blood refers to small traces of blood that a person cannot see in their stool. The presence of blood in the stool could be a sign of an underlying condition. Health experts often use this test ...
Fecal occult-blood testing (FOBT) is a noninvasive, effective means of screening for colorectal cancer (CRC). The SENSITIVITY of this technique is suboptimal, however, and identification of a simple, ...
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