tokens: Therefore , in a large animal model of permanent focal ischemia in which transfusion starts 30 min after ischemia , tetrameric cross linked hemoglobin transfusion can augment oxygen transport to the ischemic cortex , but the increase can be delayed and not necessarily provide protection .
folded_tokens: therefore , in a large animal model of permanent focal ischemia in which transfusion start 30 min after ischemia , tetrameric cross link hemoglobin transfusion can augment oxygen transport to the ischemic cortex , but the increase can be delay and not necessarily provide protection .