Fig. 1From: B-natriuretic peptide serum levels in neonates with persistent pulmonary hypertensionComparisons of serum B-natriuretic peptide (BNP) levels among patients and controls. a Serum BNP levels were significantly higher in patients before administration of treatment compared to controls. b Cases that showed mild disease severity had lower BNP serum levels compared to moderate patients, while moderate patients showed decreased levels in comparison to severe patientsBack to article page