Figure 1From: Upregulation of nitric oxide synthase in mice with severe hypoxia-induced pulmonary hypertensionRight ventricular systolic pressure (RVsP) in 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 < 0.005 versus SL or DEN.Back to article page