Response to the letter “Ambulatory oxygen: Is the 6 minute walk test the best option?”

Letter to the Editor

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,

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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Article information

ISSN: 08732159
Original language: English

DOI:10.1016/j.rppneu.2011.09.002

The statistics are updated each day

Year/Month	Html	Pdf	Total

2025 10	100	26	126
2025 9	85	63	148
2025 8	84	41	125
2025 7	122	67	189
2025 6	53	22	75
2025 5	101	59	160
2025 4	82	35	117
2025 3	76	33	109
2025 2	47	34	81
2025 1	33	32	65
2024 12	29	43	72
2024 11	56	58	114
2024 10	37	33	70
2024 9	50	18	68
2024 8	49	34	83
2024 7	48	31	79
2024 6	34	35	69
2024 5	37	36	73
2024 4	30	29	59
2024 3	40	27	67
2024 2	26	26	52
2024 1	31	28	59
2023 12	15	25	40
2023 11	32	29	61
2023 10	21	26	47
2023 9	23	41	64
2023 8	23	17	40
2023 7	25	30	55
2023 6	24	25	49
2023 5	38	24	62
2023 4	26	22	48
2023 3	47	24	71
2023 2	46	15	61
2023 1	24	21	45
2022 12	36	44	80
2022 11	54	33	87
2022 10	41	45	86
2022 9	19	23	42
2022 8	64	42	106
2022 7	77	32	109
2022 6	60	34	94
2022 5	67	35	102
2022 4	31	32	63
2022 3	29	40	69
2022 2	37	37	74
2022 1	40	28	68
2021 12	40	35	75
2021 11	36	34	70
2021 10	37	31	68
2021 9	22	34	56
2021 8	23	25	48
2021 7	27	17	44
2021 6	17	17	34
2021 5	23	21	44
2021 4	55	54	109
2021 3	75	19	94
2021 2	54	13	67
2021 1	24	13	37
2020 12	21	4	25
2020 11	55	19	74
2020 10	32	10	42
2020 9	74	27	101
2020 8	50	21	71
2020 7	69	20	89
2020 6	66	13	79
2020 5	54	11	65
2020 4	55	11	66
2020 3	54	14	68
2020 2	78	17	95
2020 1	76	23	99
2019 12	42	15	57
2019 11	65	7	72
2019 10	64	16	80
2019 9	40	17	57
2019 8	93	21	114
2019 7	116	10	126
2019 6	94	17	111
2019 5	158	20	178
2019 4	111	21	132
2019 3	202	18	220
2019 2	176	8	184
2019 1	175	23	198
2018 12	109	4	113
2018 11	49	2	51
2018 10	25	10	35
2018 9	40	9	49
2018 8	38	22	60
2018 7	50	18	68
2018 6	52	15	67
2018 5	69	14	83
2018 4	70	13	83
2018 3	58	16	74
2018 2	50	16	66
2018 1	23	19	42
2017 12	67	19	86
2017 11	27	16	43
2017 10	32	14	46
2017 9	35	16	51
2017 8	35	20	55
2017 7	21	18	39
2017 6	33	19	52
2017 5	38	24	62
2017 4	14	12	26
2017 3	14	19	33
2017 2	15	12	27
2017 1	16	6	22
2016 12	17	15	32
2016 11	14	16	30
2016 10	19	19	38
2016 9	19	8	27
2016 8	11	4	15
2016 7	6	12	18
2016 6	6	10	16
2016 5	1	18	19
2016 4	36	3	39
2016 3	60	19	79
2016 2	56	29	85
2016 1	43	15	58
2015 12	38	17	55
2015 11	35	18	53
2015 10	49	20	69
2015 9	48	13	61
2015 8	49	5	54
2015 7	47	4	51
2015 6	29	2	31
2015 5	74	10	84
2015 4	58	9	67
2015 3	38	9	47
2015 2	63	5	68
2015 1	58	13	71
2014 12	64	10	74
2014 11	66	8	74
2014 10	52	12	64
2014 9	56	15	71
2014 8	42	9	51
2014 7	60	12	72
2014 6	35	8	43
2014 5	56	7	63
2014 4	63	12	75
2014 3	57	13	70
2014 2	47	9	56
2014 1	60	8	68
2013 12	33	14	47
2013 11	53	20	73
2013 10	56	9	65
2013 9	49	16	65
2013 8	65	18	83
2013 7	55	27	82
2013 6	40	13	53
2013 5	51	14	65
2013 4	51	26	77
2013 3	56	17	73
2013 2	54	18	72
2013 1	45	21	66
2012 12	31	15	46
2012 11	28	13	41
2012 10	23	7	30
2012 9	18	5	23
2012 1	267	0	267

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