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Blood flow to brain (BBF, A), heart (HBF, B), adrenal (ABF, C) and umbilical (UBF, D) vascular beds in low altitude (LA, open circles/bars) and high altitude (HA, filled circles/bars) fetal lambs. Values are means ± SEM. Significant differences (P ≤ 0.05): a vs. LA and c vs. all periods in the group.
