passages.id: split_8_test_2196_passage
passages.type: progene_text
passages.text: Three groups of New Zealand white rabbits were studied ( n = 7 each group ) subjected to moderate exchange transfusion with low molecular weight HES , bis(3,5-dibromosalicyl ) fumarate crosslinked haemoglobin ( alphaalpha - Hb ) , or dextran - conjugated haemoglobin ( Hb - Dex-BTC ) .