Obstructive, occupational, and environmental diseases
Dolan, Stephen; Varkey, Basil
Division of Pulmonary and Critical Care Medicine, Medical College of Wisconsin, Wisconsin, USA
Correspondence to Stephen Dolan, Chief, Division of Pulmonary and Critical Care Medicine, Zablocki Veterans Affairs Medical Center, 5000 West National Ave, Milwaukee, WI 53295, USA
Tel: 414 384 2000 ext. 42765; e-mail: [email protected]