Abstract:Tennessee antigen (TAG) is a glycoprotein which has been extracted from adenocarclnoma of the colon. It is one of the numerous tumour associated antigens whlch has been developed and there is evidence that it differs considerably from carcino-embryonic antigen (CEA) preparations. A commercial kit uslng a haemagglutlnatlon inhlbltion assay Is available and Its ability to discriminate between benign and malignant conditlons of the gastrointestinal tract has been studied, uslng 7.7 units/ml as the upper limit of … Show more
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