Skip to main content
Subscribe
Log In
More
Log in via Institution
Log in via OpenAthens
Log in via AAO
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
Browse by collection
Authors
About
Search for this keyword
Advanced search
Close
More
Main menu
Latest content
Current issue
Archive
Browse by collection
Authors
About
Subscribe
Log in
More
Log in via Institution
Log in via OpenAthens
Log in via AAO
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 91, Issue 5
From the Library
Email alerts
Article metrics
Article menu
Article
Text
Article
info
Citation
Tools
Share
Rapid Responses
Article
metrics
Alerts
PDF
From the library
From the Library
Online download statistics by month:
Online download statistics by month: April 2007 to March 2024
Abstract
Full
Pdf
Apr 2007
19
11
7
May 2007
15
5
18
Jun 2007
2
6
3
Jul 2007
1
1
1
Aug 2007
2
0
1
Sep 2007
1
0
0
Oct 2007
3
1
2
Nov 2007
5
3
0
Dec 2007
1
1
0
Jan 2008
6
2
1
Feb 2008
1
3
2
Mar 2008
4
0
0
Apr 2008
3
2
1
May 2008
2
4
0
Jun 2008
4
1
1
Jul 2008
2
1
1
Aug 2008
8
6
1
Sep 2008
1
0
2
Oct 2008
5
2
0
Nov 2008
4
2
0
Dec 2008
7
1
0
Jan 2009
4
1
0
Mar 2009
5
1
0
Apr 2009
0
3
0
May 2009
2
1
1
Jun 2009
1
0
1
Jul 2009
2
2
0
Dec 2009
4
0
0
Feb 2010
0
0
1
Apr 2010
2
1
0
May 2010
2
0
0
Jun 2010
2
0
0
Jul 2010
0
1
2
Aug 2010
1
0
0
Sep 2010
3
1
1
Oct 2010
2
6
0
Nov 2010
4
0
1
Dec 2010
1
5
1
Jan 2011
1
0
0
Feb 2011
2
0
0
Mar 2011
3
10
0
Apr 2011
3
25
1
May 2011
4
9
0
Jun 2011
3
0
0
Jul 2011
4
0
0
Aug 2011
3
3
0
Sep 2011
4
0
0
Oct 2011
5
1
0
Nov 2011
12
4
2
Dec 2011
5
12
0
Jan 2012
4
0
0
Feb 2012
6
1
0
Mar 2012
3
0
0
Apr 2012
2
0
0
May 2012
2
0
0
Jun 2012
4
0
0
Jul 2012
2
0
0
Aug 2012
3
1
0
Sep 2012
6
0
0
Oct 2012
2
30
0
Feb 2013
0
1
0
Mar 2013
0
0
2
Jun 2013
1
0
0
Jul 2013
1
0
0
Oct 2013
0
7
0
Nov 2013
1
0
0
Dec 2013
0
0
1
Mar 2014
3
0
0
Apr 2014
3
0
0
May 2014
0
1
0
Jul 2014
2
0
0
Aug 2014
3
0
0
Sep 2014
1
2
0
Oct 2014
2
1
0
Dec 2014
1
0
0
Jan 2015
2
0
0
Feb 2015
0
0
1
Mar 2015
1
0
0
May 2015
1
0
1
Jun 2015
1
0
0
Jul 2015
2
0
0
Sep 2015
1
0
0
Nov 2015
3
0
0
Mar 2016
0
0
2
Apr 2016
1
0
0
Sep 2016
1
0
0
Oct 2016
1
0
0
Feb 2017
6
0
0
Mar 2017
1
0
0
Apr 2017
3
0
0
May 2017
3
0
0
Jun 2017
4
0
0
Jul 2017
14
0
0
Aug 2017
4
0
0
Sep 2017
80
3
0
Oct 2017
209
18
0
Nov 2017
73
11
0
Dec 2017
42
19
0
Jan 2018
26
12
0
Feb 2018
51
13
0
Mar 2018
22
10
0
Apr 2018
18
9
0
May 2018
16
8
0
Jun 2018
16
10
0
Jul 2018
18
14
0
Aug 2018
16
12
0
Sep 2018
14
14
0
Oct 2018
12
8
0
Nov 2018
12
8
0
Dec 2018
19
10
0
Jan 2019
22
9
1
Feb 2019
14
7
0
Mar 2019
3
0
0
Apr 2019
1
0
0
May 2019
8
4
0
Jun 2019
12
10
0
Jul 2019
9
9
0
Aug 2019
12
10
0
Sep 2019
8
8
0
Oct 2019
10
8
0
Nov 2019
10
10
0
Dec 2019
8
8
0
Jan 2020
8
8
0
Feb 2020
20
10
0
Mar 2020
8
8
0
Apr 2020
14
10
0
May 2020
12
12
0
Jun 2020
12
8
0
Jul 2020
18
8
0
Aug 2020
8
8
0
Sep 2020
24
8
0
Oct 2020
9
8
0
Nov 2020
4
0
0
Dec 2020
40
0
0
Jan 2021
2
0
0
Feb 2021
1
0
0
Mar 2021
4
0
0
Apr 2021
2
0
0
Oct 2021
5
0
0
Dec 2021
2
0
0
Jan 2022
10
0
0
Feb 2022
8
0
0
Mar 2022
14
0
1
Apr 2022
12
0
0
May 2022
28
0
0
Jun 2022
28
0
0
Jul 2022
12
0
0
Aug 2022
42
1
0
Sep 2022
24
1
0
Oct 2022
49
0
0
Nov 2022
8
0
0
Jan 2023
1
1
1
Feb 2023
40
0
0
May 2023
6
0
0
Jul 2023
4
0
0
Aug 2023
5
0
0
Nov 2023
8
0
0
Dec 2023
4
0
0
Jan 2024
2
0
0
Mar 2024
2
0
0
Total
1542
535
62
Read the full text or download the PDF:
Subscribe
Log in
Log in via Institution
Log in via OpenAthens
Log in via AAO
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?
PDF