title: Update on clinical trials with inhaled nitric oxide.
mesh_terms: D000280:Administration, Inhalation; D006801:Humans; D006976:Hypertension, Pulmonary / Q000188:drug therapy*; D009569:Nitric Oxide / Q000008:administration & dosage / Q000627:therapeutic use*; D012128:Respiratory Distress Syndrome / Q000188:drug therapy*