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
About
Search for this keyword
Advanced search
Close
More
Main menu
Latest content
Current issue
Archive
Authors
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 5, Issue 3
Purpose and procedure
Email alerts
Article metrics
Article menu
Article
Text
Article
info
Citation
Tools
Share
Rapid Responses
Article
metrics
Alerts
PDF
Purpose and procedure
Purpose and procedure
Free
Online download statistics by month:
Online download statistics by month: April 2001 to March 2024
Abstract
Full
Pdf
Apr 2001
0
1
4
May 2001
0
1
0
Jun 2001
0
14
5
Jul 2001
0
4
2
Aug 2001
0
4
2
Sep 2001
0
1
0
Oct 2001
0
4
0
Nov 2001
0
1
0
Feb 2002
0
2
0
Mar 2002
0
4
2
May 2002
0
3
0
Jul 2002
0
2
0
Sep 2002
0
3
0
Nov 2002
0
3
0
Dec 2002
0
1
0
Jan 2003
0
1
0
Mar 2003
0
3
0
Apr 2003
0
1
0
May 2003
0
2
0
Jun 2003
0
1
1
Jul 2003
0
120
0
Aug 2003
0
8
0
Sep 2003
0
3
0
Oct 2003
0
170
0
Nov 2003
0
28
0
Dec 2003
0
4
0
Jan 2004
0
4
0
Feb 2004
0
3
0
Mar 2004
0
3
0
Apr 2004
0
6
0
May 2004
0
5
0
Jun 2004
0
15
0
Jul 2004
0
10
0
Aug 2004
0
33
0
Sep 2004
0
13
0
Oct 2004
7
9
0
Nov 2004
8
9
0
Dec 2004
3
2
0
Jan 2005
6
8
0
Feb 2005
3
2
0
Mar 2005
5
7
1
Apr 2005
0
1
0
May 2005
1
1
0
Jun 2005
2
2
2
Jul 2005
3
3
2
Aug 2005
2
2
0
Sep 2005
2
2
0
Oct 2005
2
4
1
Nov 2005
1
1
3
Dec 2005
1
2
0
Jan 2006
0
1
1
Feb 2006
2
1
1
Mar 2006
1
1
0
May 2006
1
0
2
Sep 2006
5
0
2
Oct 2006
0
0
1
Nov 2006
2
3
1
Jan 2007
0
0
1
Feb 2007
0
0
1
Apr 2007
0
1
2
May 2007
0
1
1
Aug 2007
0
0
1
Sep 2007
1
0
1
Oct 2007
0
1
1
Dec 2007
0
0
2
Mar 2008
1
0
0
Apr 2008
1
2
0
Aug 2008
0
1
0
Sep 2008
3
2
2
Nov 2008
1
3
2
Dec 2008
0
1
0
Feb 2009
0
0
1
Apr 2009
0
1
0
May 2009
0
1
0
Jun 2009
1
0
0
Jul 2009
1
0
0
Oct 2009
2
2
1
Nov 2009
1
0
0
Dec 2009
3
3
0
Jan 2010
0
0
1
Feb 2010
0
1
1
Mar 2010
0
1
1
Apr 2010
0
0
3
May 2010
3
1
1
Jun 2010
3
0
1
Jul 2010
0
0
2
Aug 2010
1
0
5
Oct 2010
0
1
1
Nov 2010
1
1
0
Jan 2011
0
1
3
May 2011
0
0
1
Jun 2011
0
1
1
Jul 2011
0
5
2
Aug 2011
0
1
0
Oct 2011
0
1
1
Nov 2011
7
4
2
Dec 2011
4
3
0
Jan 2012
3
2
1
Mar 2012
0
2
0
Apr 2012
1
2
1
May 2012
2
1
2
Jun 2012
3
3
1
Jul 2012
3
0
2
Aug 2012
1
1
3
Sep 2012
3
0
1
Oct 2012
5
4
1
Nov 2012
0
2
1
Dec 2012
0
3
2
Jan 2013
0
6
3
Mar 2013
0
1
2
Apr 2013
0
2
1
May 2013
0
4
0
Jul 2013
1
1
1
Sep 2013
2
0
0
Nov 2013
1
2
0
Dec 2013
6
3
0
Jan 2014
2
0
0
Feb 2014
2
2
0
Mar 2014
4
4
0
Apr 2014
2
2
0
May 2014
4
2
7
Jun 2014
1
2
2
Jul 2014
1
2
0
Aug 2014
0
1
0
Sep 2014
3
4
0
Oct 2014
2
5
0
Nov 2014
1
1
0
Dec 2014
1
1
0
Jan 2015
1
2
0
Feb 2015
2
3
2
Mar 2015
1
0
0
May 2015
3
1
0
Jun 2015
3
0
1
Jul 2015
8
0
1
Aug 2015
0
1
0
Sep 2015
1
1
0
Nov 2015
1
0
0
Dec 2015
5
1
2
Feb 2016
1
0
0
Mar 2016
0
0
8
Jun 2016
1
1
0
Jul 2016
2
1
2
Oct 2016
0
1
0
Nov 2016
1
0
0
Dec 2016
3
0
2
Jan 2017
5
3
1
Feb 2017
0
0
1
Apr 2017
0
6
0
May 2017
0
6
0
Jun 2017
0
2
0
Jul 2017
3
3
1
Aug 2017
1
1
0
Sep 2017
9
9
0
Oct 2017
4
4
0
Nov 2017
5
5
0
Dec 2017
2
2
0
Jan 2018
10
10
0
Feb 2018
14
15
1
Mar 2018
4
4
0
Apr 2018
11
11
0
May 2018
11
11
0
Jun 2018
5
5
0
Jul 2018
4
4
0
Aug 2018
3
3
1
Sep 2018
2
2
0
Oct 2018
11
11
1
Nov 2018
10
10
0
Dec 2018
17
17
0
Jan 2019
13
12
2
Feb 2019
11
9
0
Mar 2019
5
4
2
Apr 2019
2
3
2
May 2019
1
1
2
Jun 2019
1
1
1
Jul 2019
1
1
2
Aug 2019
0
0
3
Sep 2019
0
0
2
Oct 2019
5
2
0
Dec 2019
2
2
3
Jan 2020
2
2
2
Feb 2020
4
4
3
Mar 2020
1
1
3
Apr 2020
1
1
2
May 2020
5
5
1
Jun 2020
4
3
1
Jul 2020
5
5
2
Aug 2020
1
1
2
Sep 2020
9
9
0
Oct 2020
17
16
1
Nov 2020
15
15
1
Dec 2020
19
19
0
Jan 2021
27
26
1
Feb 2021
15
15
1
Mar 2021
18
18
1
Apr 2021
12
12
1
May 2021
21
21
7
Jun 2021
26
27
0
Jul 2021
48
51
1
Aug 2021
62
62
4
Sep 2021
64
64
3
Oct 2021
58
58
13
Nov 2021
36
41
14
Dec 2021
4
4
0
Jan 2022
6
7
1
Feb 2022
3
3
1
Mar 2022
12
12
2
Apr 2022
12
11
1
May 2022
16
16
13
Jun 2022
23
23
5
Jul 2022
7
7
0
Aug 2022
23
23
1
Sep 2022
17
17
11
Oct 2022
14
14
5
Nov 2022
6
6
3
Dec 2022
2
1
1
Jan 2023
1
1
2
Feb 2023
24
24
0
Mar 2023
2
2
0
Apr 2023
2
2
2
May 2023
3
3
5
Jul 2023
3
3
6
Aug 2023
2
2
4
Sep 2023
3
3
2
Oct 2023
2
2
1
Nov 2023
2
2
3
Dec 2023
6
6
0
Jan 2024
4
4
1
Feb 2024
9
9
2
Mar 2024
7
7
0
Total
1035
1528
285
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?
PDF