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Volume 72, Issue 11
Do COPD subtypes really exist? COPD heterogeneity and clustering in 10 independent cohorts
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Chronic obstructive pulmonary disease
Original article
Do COPD subtypes really exist? COPD heterogeneity and clustering in 10 independent cohorts
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Abstract
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Pdf
Jun 2017
1974
215
148
Jul 2017
1429
114
79
Aug 2017
336
71
41
Sep 2017
281
57
38
Oct 2017
1492
173
129
Nov 2017
819
185
128
Dec 2017
401
76
59
Jan 2018
338
75
50
Feb 2018
187
40
27
Mar 2018
335
27
17
Apr 2018
320
42
23
May 2018
220
34
16
Jun 2018
195
17
8
Jul 2018
182
36
14
Aug 2018
139
14
9
Sep 2018
144
20
12
Oct 2018
319
34
18
Nov 2018
229
19
17
Dec 2018
192
8
3
Jan 2019
150
25
13
Feb 2019
123
11
8
Mar 2019
109
22
14
Apr 2019
89
10
6
May 2019
111
17
11
Jun 2019
111
16
13
Jul 2019
99
9
6
Aug 2019
75
11
9
Sep 2019
85
10
9
Oct 2019
122
15
7
Nov 2019
96
7
2
Dec 2019
96
7
2
Jan 2020
97
12
6
Feb 2020
81
11
8
Mar 2020
88
4
1
Apr 2020
93
8
4
May 2020
94
12
7
Jun 2020
97
13
6
Jul 2020
95
4
5
Aug 2020
84
4
3
Sep 2020
98
8
6
Oct 2020
70
23
9
Nov 2020
47
46
14
Dec 2020
53
47
27
Jan 2021
41
37
10
Feb 2021
41
33
21
Mar 2021
57
56
14
Apr 2021
54
51
20
May 2021
53
50
17
Jun 2021
52
49
19
Jul 2021
65
58
30
Aug 2021
50
47
27
Sep 2021
53
48
13
Oct 2021
75
63
34
Nov 2021
51
48
19
Dec 2021
69
68
18
Jan 2022
70
73
23
Feb 2022
50
62
23
Mar 2022
77
69
17
Apr 2022
128
126
28
May 2022
99
96
15
Jun 2022
106
103
17
Jul 2022
99
93
15
Aug 2022
108
100
5
Sep 2022
101
93
14
Oct 2022
112
104
14
Nov 2022
97
88
29
Dec 2022
68
60
19
Jan 2023
75
73
17
Feb 2023
78
67
13
Mar 2023
57
49
12
Apr 2023
51
50
12
May 2023
99
93
28
Jun 2023
73
69
6
Jul 2023
97
91
27
Aug 2023
167
157
15
Sep 2023
98
86
8
Oct 2023
99
87
17
Nov 2023
182
171
21
Dec 2023
186
174
22
Jan 2024
109
75
85
Feb 2024
144
140
20
Total
15086
4666
1796
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