after 7 days of continuous oral ingestion of trh analogs ( d-pglu-leu-pronh2 , pglu-leu-pro , pglu-pro-pronh2 , or pglu-leu-pyrrolidide ) , spinal cord and brain levels of trh were elevated , whereas the content of trh metabolite , cyclo ( his-pro ) , was decreased .
C0006104
brain
C0423896
content