略語大辞典 [Med] 6 FOB faecal(or fecal) occult blood (testing) (糞)便潜血(検査).faecal(or fecal) occult blood (testing); or FOBT; a test for a bowel cancer; of limited specificity and sensitivity; [Med]. 丸善「略語大辞典」JLogosID : 11875134