TY - JOUR AU - Khoukaz G, Gross NJ TI - Effects of salmeterol on arterial blood gases in patients with stable chronic obstructive pulmonary disease. Comparison with albuterol and ipratropium JO - Am J Respir Crit Care Med VL - 160 PY - 1999 DO - 10.1164/ajrccm.160.3.9812117 L3 - PubMed-ID: 10471636 SP - 1028 EP - 1030 ER -