Anemia and hemoglobin serum levels are associated with exercise capacity and quality of life in chronic obstructive pulmonary disease
1 Unit of Respiratory Diseases, Department of Medicine, University of Verona, Verona, Italy
2 School of Sports Medicine, University of Padova, Verona, Trieste and Udine, Italy
3 Unit of Epidemiology and Medical Statistics, Department of Public Health and Community Medicine, University of Verona, Verona, Italy
4 Servizio di Fisiopatologia Respiratoria, Policlinico G.B.Rossi, Verona, 37121, Italy