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Letter to the editor
Response to the letter “Ambulatory oxygen: Is the 6minute walk test the best option?”
Resposta à carta “Oxigenoterapia de deambulação: será o teste de 6 minutos de marcha a melhor opção?”
T. Vieiraa, I. Belchiorb, J. Almeidab, V. Hespanholc, J.C. Winckc,
Corresponding author
jwinck@hsjoao.min-saude.pt

Corresponding author.
a Serviço de Imunoalergologia, Hospital de São João, EPE, Porto, Portugal
b Serviço de Pneumologia, Hospital de São João, EPE, Porto, Portugal
c Serviço de Pneumologia, Hospital de São João, EPE, Porto/Faculdade de Medicina da Universidade do Porto, Porto, Portugal
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ISSN: 21735115
Original language: English
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