3018481 mCBF mean cerebral blood flow 34 3018491 mCBF mean CBF 12 3018490 mCBF mean hemispheric cerebral blood flow 6 3018489 mCBF mean hemispheric CBF 4 3018487 mCBF microvascular cerebral blood flow 3 3018492 mCBF mean cerebral flow 1 3018486 mCBF microvascular CBF 1 3018488 mCBF mouse CCAAT binding factor 1