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Arterial partial pressure of oxygen (PaO2, top) and carbon dioxide (PaCO2, middle), and arterial pH (bottom) before, during, and after brachiocephalic occlusion (BCO, represented as hatched area). Data are reported from control (•) and nimesulide-treated (○) fetuses. Data are represented as mean values with vertical bars representing ± SE. *Statistically significant difference between groups.
