Response to the letter âAmbulatory oxygen: Is the 6 minute walk test the best option?â
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2011-11-01
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Series: | Revista Portuguesa de Pneumologia |
Online Access: | http://www.sciencedirect.com/science/article/pii/S087321591100119X |