Inhaled nitric oxide and arterial oxygen tension in patients with chronic obstructive pulmonary disease and severe pulmonary hypertension.
Y Katayama, T W Higenbottam, M J Diaz de Atauri, G Cremona, S Akamine, J A Barbera, R Rodrìguez-Roisin
Thorax Feb 1997, 52 (2) 120-124; DOI: 10.1136/thx.52.2.120