ETIOLOGY AND THERAPEUTIC APPROACH OF CHRONIC OBSTRUCTIVE PULMONARY-DISEASE (COPD) EXACERBATIONS IN LONG-TERM OXYGEN-THERAPY (LTOT) AND NON-LTOT PATIENTS
S. Amaducci et al., ETIOLOGY AND THERAPEUTIC APPROACH OF CHRONIC OBSTRUCTIVE PULMONARY-DISEASE (COPD) EXACERBATIONS IN LONG-TERM OXYGEN-THERAPY (LTOT) AND NON-LTOT PATIENTS, The American review of respiratory disease, 147(4), 1993, pp. 321-321