therefore cytochrome p-450 content as well as monooxygenase ( 7-ethoxycoumarin o-deethylase ) and nadph-cytochrome c reductase activities were determined in surgical specimens of the human small intestine and in jejunal biopsy material obtained from patients by use of a hydraulic biopsy instrument .
C0021852
small intestine
C0576452
jejunal biopsy