Significant differences in flow standardised breath sound spectra in patients with chronic obstructive pulmonary disease, stable asthma, and healthy lungs.

L P Malmberg; L Pesu; A R Sovijärvi

doi:10.1136/thx.50.12.1285

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Research Article

Significant differences in flow standardised breath sound spectra in patients with chronic obstructive pulmonary disease, stable asthma, and healthy lungs.

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	Abstract	Full	Pdf
Apr 1999	1	0	0
May 1999	1	0	0
Jun 1999	1	0	0
Jul 1999	1	0	0
Nov 1999	1	0	0
Aug 2000	2	0	0
Nov 2000	3	0	0
Feb 2001	2	0	0
Mar 2001	1	0	0
May 2001	3	0	0
Jun 2001	2	0	0
Jul 2001	1	0	0
Oct 2001	2	0	0
Nov 2001	1	0	0
Jan 2002	1	0	0
Mar 2002	1	0	0
Apr 2002	1	0	0
Jul 2002	2	0	0
Nov 2002	3	0	0
Dec 2002	2	0	0
Jan 2003	4	0	0
Feb 2003	2	0	0
Apr 2003	2	0	0
Jun 2003	2	0	0
Jul 2003	4	0	0
Aug 2003	4	0	0
Sep 2003	7	0	0
Oct 2003	6	0	0
Nov 2003	9	0	0
Dec 2003	5	0	0
Jan 2004	10	0	0
Feb 2004	2	0	0
Mar 2004	12	0	0
Apr 2004	7	0	0
May 2004	9	0	0
Jun 2004	4	0	0
Jul 2004	17	0	0
Aug 2004	6	0	0
Sep 2004	3	0	0
Oct 2004	14	0	0
Nov 2004	12	0	0
Dec 2004	7	0	0
Jan 2005	13	0	0
Feb 2005	3	0	0
Mar 2005	4	0	0
Apr 2005	2	0	0
May 2005	6	0	0
Jun 2005	2	0	0
Jul 2005	3	0	0
Aug 2005	5	0	0
Sep 2005	2	0	0
Oct 2005	18	0	0
Nov 2005	15	0	0
Dec 2005	7	0	0
Jan 2006	10	0	0
Feb 2006	7	0	0
Mar 2006	6	0	0
Apr 2006	3	0	0
Jun 2006	2	0	0
Jul 2006	4	0	0
Aug 2006	1	0	0
Sep 2006	11	0	0
Oct 2006	8	0	0
Nov 2006	10	0	0
Dec 2006	3	0	0
Jan 2007	14	0	0
Feb 2007	11	0	0
Mar 2007	14	0	0
Apr 2007	9	0	0
May 2007	7	0	0
Jun 2007	12	0	0
Jul 2007	7	0	0
Aug 2007	10	0	0
Sep 2007	9	0	0
Oct 2007	16	0	0
Nov 2007	17	0	0
Dec 2007	8	0	0
Jan 2008	9	0	0
Feb 2008	17	0	0
Mar 2008	17	0	0
Apr 2008	13	0	0
May 2008	5	0	0
Jun 2008	5	0	0
Jul 2008	4	0	0
Aug 2008	7	0	0
Sep 2008	18	0	0
Oct 2008	2	0	0
Nov 2008	1	0	0
Dec 2008	4	0	0
Jan 2009	3	0	0
Feb 2009	3	0	1
Mar 2009	29	0	3
Apr 2009	8	0	3
May 2009	12	0	1
Jun 2009	4	0	0
Jul 2009	6	0	1
Aug 2009	5	0	1
Sep 2009	14	0	6
Oct 2009	17	0	4
Nov 2009	26	0	6
Dec 2009	15	0	1
Jan 2010	21	0	8
Feb 2010	28	0	18
Mar 2010	21	0	2
Apr 2010	10	0	2
May 2010	13	0	4
Jun 2010	19	0	5
Jul 2010	9	0	3
Aug 2010	6	0	1
Sep 2010	6	0	1
Oct 2010	20	0	1
Nov 2010	4	0	0
Dec 2010	5	0	2
Jan 2011	6	0	2
Feb 2011	5	0	0
Mar 2011	2	0	0
Apr 2011	9	0	1
May 2011	8	0	3
Jun 2011	6	1	0
Jul 2011	7	0	1
Aug 2011	4	0	2
Sep 2011	8	0	2
Oct 2011	12	1	4
Nov 2011	13	0	0
Dec 2011	9	0	12
Jan 2012	5	0	10
Feb 2012	20	0	17
Mar 2012	8	0	58
Apr 2012	1	0	39
May 2012	7	0	64
Jun 2012	8	0	45
Jul 2012	6	0	28
Aug 2012	1	0	36
Sep 2012	5	0	22
Oct 2012	17	0	104
Nov 2012	11	0	41
Dec 2012	17	1	35
Jan 2013	28	0	84
Feb 2013	5	0	79
Mar 2013	3	0	78
Apr 2013	19	0	65
May 2013	7	0	66
Jun 2013	3	0	49
Jul 2013	4	0	53
Aug 2013	8	0	60
Sep 2013	2	0	63
Oct 2013	8	0	112
Nov 2013	8	0	88
Dec 2013	15	0	80
Jan 2014	12	0	81
Feb 2014	7	0	163
Mar 2014	6	0	162
Apr 2014	7	0	81
May 2014	9	0	80
Jun 2014	8	0	70
Jul 2014	8	0	45
Aug 2014	2	0	29
Sep 2014	8	0	12
Oct 2014	2	0	28
Nov 2014	5	0	26
Dec 2014	17	0	32
Jan 2015	2	0	49
Feb 2015	5	0	38
Mar 2015	9	0	73
Apr 2015	9	0	84
May 2015	4	0	85
Jun 2015	9	0	52
Jul 2015	7	0	29
Aug 2015	6	0	3
Sep 2015	7	0	64
Oct 2015	7	0	85
Nov 2015	6	0	146
Dec 2015	2	0	35
Jan 2016	4	0	6
Feb 2016	6	0	16
Mar 2016	3	0	9
Apr 2016	7	0	5
May 2016	7	0	1
Jun 2016	13	0	10
Jul 2016	8	0	5
Aug 2016	3	0	0
Sep 2016	6	0	5
Oct 2016	15	0	61
Nov 2016	23	0	85
Dec 2016	1	0	39
Jan 2017	11	0	47
Feb 2017	6	0	79
Mar 2017	5	0	32
Apr 2017	6	0	3
May 2017	8	0	44
Jun 2017	9	0	50
Jul 2017	22	0	58
Aug 2017	20	0	93
Sep 2017	16	0	113
Oct 2017	26	0	80
Nov 2017	18	0	23
Dec 2017	20	0	18
Jan 2018	14	0	30
Feb 2018	18	0	28
Mar 2018	19	0	40
Apr 2018	24	0	39
May 2018	22	0	21
Jun 2018	22	0	33
Jul 2018	16	0	27
Aug 2018	10	0	31
Sep 2018	16	0	46
Oct 2018	20	0	67
Nov 2018	16	0	107
Dec 2018	22	0	39
Jan 2019	16	0	51
Feb 2019	21	0	67
Mar 2019	14	0	311
Apr 2019	13	0	462
May 2019	9	0	396
Jun 2019	22	0	311
Jul 2019	2	0	215
Aug 2019	6	0	242
Sep 2019	19	0	277
Oct 2019	8	0	269
Nov 2019	13	0	266
Dec 2019	5	0	189
Jan 2020	7	0	115
Feb 2020	7	0	202
Mar 2020	4	0	217
Apr 2020	18	0	316
May 2020	10	0	238
Jun 2020	16	0	291
Jul 2020	18	0	224
Aug 2020	19	0	183
Sep 2020	20	0	150
Oct 2020	8	0	123
Nov 2020	28	0	157
Dec 2020	21	0	91
Jan 2021	30	0	197
Feb 2021	2	0	257
Mar 2021	10	0	197
Apr 2021	15	0	209
May 2021	9	0	94
Jun 2021	0	0	94
Jul 2021	5	0	124
Aug 2021	2	0	34
Sep 2021	0	0	58
Oct 2021	51	0	141
Nov 2021	16	0	109
Dec 2021	72	0	30
Jan 2022	24	0	62
Feb 2022	22	0	114
Mar 2022	28	0	108
Apr 2022	22	0	80
May 2022	48	0	70
Jun 2022	42	0	61
Jul 2022	45	0	119
Aug 2022	69	0	47
Sep 2022	52	0	123
Oct 2022	125	0	57
Nov 2022	50	0	36
Dec 2022	23	0	15
Jan 2023	38	0	15
Feb 2023	57	0	65
Mar 2023	30	0	10
Apr 2023	47	0	25
May 2023	22	0	14
Jun 2023	40	0	12
Jul 2023	36	0	13
Aug 2023	42	0	9
Sep 2023	43	0	10
Oct 2023	36	0	9
Nov 2023	33	0	11
Dec 2023	49	0	6
Jan 2024	26	0	1
Feb 2024	61	0	13
Mar 2024	52	0	70
Total	3514	3	12501

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