passages.id: split_4_test_1147_passage
passages.type: progene_text
passages.text: Acute , graded hypovolemia by 20 % and 40 % of the total estimated blood volume followed by retransfusion in control animals ( CTRL ; n = 10 ) and animals pretreated with the AT1 receptor blocker candesartan ( CAND ; n = 10 ) .