Figure 5From: Upregulation of nitric oxide synthase in mice with severe hypoxia-induced pulmonary hypertensionPlasma nitric oxide metabolites (NOX) from mice exposed to sea level conditions (SL, n = 5), ambient conditions (DEN, n = 9), or hypobaric hypoxia (HA, n = 6) for 6 weeks after birth. *P < 0.05 versus DEN.Back to article page