The prevalence of quadriceps weakness in COPD and the relationship with disease severityJohn Seymour, Emiel F.�M. Wouters, William D‐C Man et al.|European Respiratory Journal|2009Cited by 486
Short term effect of oxygen on renal haemodynamics in patients with hypoxaemic chronic obstructive airways disease.Simon Baudouin, John Moxham, Jeffrey Bott et al.|Thorax|1992Cited by 40