scholarly journals The Long-Term Oxygen Treatment Trial for Chronic Obstructive Pulmonary Disease: Rationale, Design, and Lessons Learned

2018 ◽  
Vol 15 (1) ◽  
pp. 89-101 ◽  
Author(s):  
Roger D. Yusen ◽  
Gerard J. Criner ◽  
Alice L. Sternberg ◽  
David H. Au ◽  
Anne L. Fuhlbrigge ◽  
...  
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