Skip to main content
Subscribe
Log In
More
Log in via Institution
Log in via OpenAthens
Log in using your username and password
For personal accounts OR managers of institutional accounts
Username
*
Password
*
Forgot your log in details?
Register a new account?
Forgot
your user name or password?
Basket
Search
More
Search for this keyword
Advanced search
Latest content
Current issue
Archive
Authors
Hosted content
Podcasts
About
Search for this keyword
Advanced search
Close
More
Main menu
Latest content
Current issue
Archive
Authors
Hosted content
Podcasts
About
Subscribe
Log in
More
Log in via Institution
Log in via OpenAthens
Log in using your username and password
For personal accounts OR managers of institutional accounts
Username
*
Password
*
Forgot your log in details?
Register a new account?
Forgot
your user name or password?
BMJ Journals
You are here
Home
Archive
Volume 65, Issue 11
The atoll sign
Email alerts
Article metrics
Article menu
Article
Text
Article
info
Citation
Tools
Share
Rapid Responses
Article
metrics
Alerts
PDF
Images in Thorax
The atoll sign
Free
Online download statistics by month:
Online download statistics by month: October 2010 to March 2024
Abstract
Full
Pdf
Oct 2010
132
221
121
Nov 2010
51
142
108
Dec 2010
12
88
51
Jan 2011
9
117
52
Feb 2011
39
180
57
Mar 2011
64
175
52
Apr 2011
7
114
45
May 2011
28
96
36
Jun 2011
41
86
45
Jul 2011
34
82
38
Aug 2011
51
72
44
Sep 2011
43
92
44
Oct 2011
38
75
37
Nov 2011
43
124
48
Dec 2011
51
123
53
Jan 2012
49
131
33
Feb 2012
52
135
47
Mar 2012
44
141
28
Apr 2012
39
111
33
May 2012
42
136
39
Jun 2012
26
119
31
Jul 2012
15
79
27
Aug 2012
18
194
26
Sep 2012
28
144
20
Oct 2012
22
163
30
Nov 2012
0
90
19
Dec 2012
0
61
17
Jan 2013
0
85
20
Feb 2013
0
72
19
Mar 2013
0
94
15
Apr 2013
0
95
18
May 2013
0
79
14
Jun 2013
3
67
11
Jul 2013
7
56
7
Aug 2013
11
46
7
Sep 2013
2
105
24
Oct 2013
5
73
16
Nov 2013
3
82
18
Dec 2013
9
72
11
Jan 2014
10
60
12
Feb 2014
7
58
6
Mar 2014
12
63
19
Apr 2014
9
56
5
May 2014
16
37
13
Jun 2014
2
56
17
Jul 2014
14
43
9
Aug 2014
5
37
13
Sep 2014
3
48
23
Oct 2014
2
51
6
Nov 2014
0
32
12
Dec 2014
4
34
10
Jan 2015
8
40
8
Feb 2015
1
28
7
Mar 2015
11
60
8
Apr 2015
5
32
6
May 2015
3
29
9
Jun 2015
2
36
3
Jul 2015
0
33
14
Aug 2015
2
28
13
Sep 2015
6
41
6
Oct 2015
4
28
5
Nov 2015
2
31
9
Dec 2015
2
22
18
Jan 2016
6
30
14
Feb 2016
4
48
21
Mar 2016
6
30
15
Apr 2016
2
42
10
May 2016
4
43
4
Jun 2016
5
31
12
Jul 2016
4
39
18
Aug 2016
5
21
12
Sep 2016
4
28
14
Oct 2016
10
28
15
Nov 2016
6
28
4
Dec 2016
6
27
7
Jan 2017
4
30
8
Feb 2017
6
30
1
Mar 2017
4
57
14
Apr 2017
0
42
10
May 2017
2
61
3
Jun 2017
21
62
10
Jul 2017
77
77
12
Aug 2017
77
71
7
Sep 2017
74
72
6
Oct 2017
109
99
12
Nov 2017
87
81
21
Dec 2017
78
74
7
Jan 2018
88
88
8
Feb 2018
121
117
10
Mar 2018
135
132
12
Apr 2018
125
125
2
May 2018
145
146
7
Jun 2018
138
136
7
Jul 2018
141
135
11
Aug 2018
150
146
13
Sep 2018
198
194
16
Oct 2018
147
147
13
Nov 2018
136
134
9
Dec 2018
120
118
12
Jan 2019
120
118
8
Feb 2019
123
123
9
Mar 2019
137
138
14
Apr 2019
137
133
11
May 2019
134
128
10
Jun 2019
110
110
11
Jul 2019
162
154
8
Aug 2019
141
139
9
Sep 2019
131
131
10
Oct 2019
151
151
17
Nov 2019
185
182
12
Dec 2019
160
158
17
Jan 2020
139
137
9
Feb 2020
156
156
6
Mar 2020
253
253
17
Apr 2020
232
232
23
May 2020
154
154
16
Jun 2020
160
158
19
Jul 2020
143
142
14
Aug 2020
175
173
11
Sep 2020
213
211
13
Oct 2020
208
206
16
Nov 2020
201
201
19
Dec 2020
194
192
14
Jan 2021
156
155
20
Feb 2021
207
207
22
Mar 2021
153
153
17
Apr 2021
145
146
11
May 2021
151
151
14
Jun 2021
153
154
9
Jul 2021
133
134
20
Aug 2021
139
142
9
Sep 2021
166
170
13
Oct 2021
164
163
32
Nov 2021
78
65
21
Dec 2021
230
240
5
Jan 2022
240
245
14
Feb 2022
175
166
8
Mar 2022
176
175
12
Apr 2022
127
121
12
May 2022
181
181
19
Jun 2022
170
175
13
Jul 2022
178
177
11
Aug 2022
192
187
5
Sep 2022
200
196
12
Oct 2022
219
218
16
Nov 2022
192
186
16
Dec 2022
148
140
5
Jan 2023
263
234
12
Feb 2023
320
299
6
Mar 2023
298
300
13
Apr 2023
105
111
13
May 2023
120
123
15
Jun 2023
128
134
13
Jul 2023
107
109
13
Aug 2023
151
155
14
Sep 2023
137
141
17
Oct 2023
186
192
7
Nov 2023
174
179
12
Dec 2023
107
106
8
Jan 2024
24
21
0
Feb 2024
77
75
3
Mar 2024
146
144
48
Total
13728
18219
2832
Read the full text or download the PDF:
Subscribe
Log in
Log in via Institution
Log in via OpenAthens
Log in using your username and password
For personal accounts OR managers of institutional accounts
Username
*
Password
*
Forgot your log in details?
Register a new account?
Forgot
your user name or password?