Skip to main content
Subscribe
Log In
More
Log in via Institution
Log in via OpenAthens
Log in via RCEM
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 via RCEM
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 21, Issue 3
Primary Survey
Email alerts
Article metrics
Article menu
Article
Text
Article
info
Citation
Tools
Share
Rapid Responses
Article
metrics
Alerts
PDF
Primary Survey
Primary Survey
Free
Online download statistics by month:
Online download statistics by month: April 2004 to September 2024
Abstract
Full
Pdf
Apr 2004
0
193
7
May 2004
0
433
16
Jun 2004
0
395
15
Jul 2004
0
222
3
Aug 2004
0
237
9
Sep 2004
0
236
4
Oct 2004
65
88
1
Nov 2004
33
90
3
Dec 2004
35
59
0
Jan 2005
22
62
0
Feb 2005
28
77
6
Mar 2005
42
111
3
Apr 2005
25
72
6
May 2005
8
102
18
Jun 2005
15
56
6
Jul 2005
13
44
6
Aug 2005
11
54
9
Sep 2005
17
60
2
Oct 2005
23
73
5
Nov 2005
11
50
4
Dec 2005
13
35
5
Jan 2006
10
41
7
Feb 2006
10
54
4
Mar 2006
12
40
6
Apr 2006
6
49
10
May 2006
8
63
10
Jun 2006
10
24
2
Jul 2006
7
43
6
Aug 2006
5
32
2
Sep 2006
9
47
7
Oct 2006
9
52
8
Nov 2006
10
51
12
Dec 2006
3
33
5
Jan 2007
6
54
17
Feb 2007
4
49
10
Mar 2007
5
42
10
Apr 2007
8
40
13
May 2007
7
56
10
Jun 2007
4
55
7
Jul 2007
8
39
6
Aug 2007
17
42
7
Sep 2007
6
55
8
Oct 2007
11
48
13
Nov 2007
10
42
11
Dec 2007
13
34
5
Jan 2008
15
37
4
Feb 2008
10
34
8
Mar 2008
12
33
7
Apr 2008
7
40
16
May 2008
4
30
18
Jun 2008
7
22
11
Jul 2008
11
32
11
Aug 2008
11
25
47
Sep 2008
8
52
27
Oct 2008
9
49
33
Nov 2008
14
46
21
Dec 2008
4
26
15
Jan 2009
6
31
9
Feb 2009
16
57
22
Mar 2009
5
29
26
Apr 2009
3
22
8
May 2009
2
34
16
Jun 2009
3
17
20
Jul 2009
7
12
11
Aug 2009
2
7
8
Sep 2009
2
19
7
Oct 2009
4
15
7
Nov 2009
1
20
11
Dec 2009
9
17
7
Jan 2010
2
6
3
Feb 2010
3
15
7
Mar 2010
5
8
8
Apr 2010
5
32
19
May 2010
7
16
10
Jun 2010
2
7
10
Jul 2010
2
11
11
Aug 2010
0
12
4
Sep 2010
9
12
7
Oct 2010
15
34
21
Nov 2010
6
21
7
Dec 2010
7
19
4
Jan 2011
7
11
4
Feb 2011
10
13
11
Mar 2011
7
16
22
Apr 2011
7
9
11
May 2011
7
12
10
Jun 2011
5
8
15
Jul 2011
8
8
8
Aug 2011
7
18
6
Sep 2011
12
10
15
Oct 2011
11
13
6
Nov 2011
12
17
14
Dec 2011
7
8
10
Jan 2012
6
11
11
Feb 2012
5
11
12
Mar 2012
10
13
12
Apr 2012
6
19
17
May 2012
8
12
26
Jun 2012
7
16
17
Jul 2012
11
26
11
Aug 2012
8
14
16
Sep 2012
9
22
17
Oct 2012
14
17
6
Nov 2012
0
11
6
Dec 2012
0
14
10
Jan 2013
0
20
7
Feb 2013
0
15
9
Mar 2013
0
13
9
Apr 2013
0
26
17
May 2013
0
14
6
Jun 2013
4
7
7
Jul 2013
1
8
4
Aug 2013
3
2
3
Sep 2013
2
15
3
Oct 2013
0
14
7
Nov 2013
2
11
3
Dec 2013
3
14
5
Jan 2014
1
13
9
Feb 2014
0
10
4
Mar 2014
5
16
7
Apr 2014
2
18
8
May 2014
3
14
7
Jun 2014
2
12
3
Jul 2014
3
14
7
Aug 2014
3
7
6
Sep 2014
1
14
2
Oct 2014
0
15
9
Nov 2014
0
6
8
Dec 2014
0
13
3
Jan 2015
0
11
8
Feb 2015
1
13
5
Mar 2015
3
8
6
Apr 2015
0
11
2
May 2015
2
14
8
Jun 2015
1
14
3
Jul 2015
1
11
5
Aug 2015
3
12
4
Sep 2015
4
11
4
Oct 2015
1
4
0
Nov 2015
3
9
6
Dec 2015
2
15
4
Jan 2016
2
14
14
Feb 2016
9
4
3
Mar 2016
1
10
8
Apr 2016
1
15
14
May 2016
1
6
3
Jun 2016
1
5
6
Jul 2016
2
10
3
Aug 2016
0
1
3
Sep 2016
0
17
5
Oct 2016
3
8
8
Nov 2016
1
3
2
Dec 2016
2
5
2
Jan 2017
3
7
2
Feb 2017
2
6
3
Mar 2017
0
10
1
Apr 2017
0
20
5
May 2017
0
7
1
Jun 2017
8
16
8
Jul 2017
15
15
2
Aug 2017
10
10
0
Sep 2017
7
7
1
Oct 2017
10
10
2
Nov 2017
25
25
3
Dec 2017
11
11
0
Jan 2018
33
33
3
Feb 2018
29
29
2
Mar 2018
33
33
4
Apr 2018
55
55
3
May 2018
39
39
2
Jun 2018
38
38
2
Jul 2018
35
35
5
Aug 2018
43
43
2
Sep 2018
49
49
3
Oct 2018
59
59
5
Nov 2018
39
39
2
Dec 2018
24
24
3
Jan 2019
41
41
3
Feb 2019
43
43
3
Mar 2019
79
78
8
Apr 2019
109
109
14
May 2019
63
63
5
Jun 2019
42
42
5
Jul 2019
37
38
3
Aug 2019
40
40
4
Sep 2019
36
36
7
Oct 2019
62
63
9
Nov 2019
41
39
2
Dec 2019
47
47
7
Jan 2020
28
28
1
Feb 2020
23
23
3
Mar 2020
56
56
3
Apr 2020
55
55
3
May 2020
31
30
2
Jun 2020
34
33
4
Jul 2020
51
51
3
Aug 2020
48
44
1
Sep 2020
32
29
1
Oct 2020
57
56
4
Nov 2020
65
63
4
Dec 2020
42
42
3
Jan 2021
48
48
3
Feb 2021
37
36
5
Mar 2021
47
47
7
Apr 2021
45
45
5
May 2021
26
26
7
Jun 2021
24
24
2
Jul 2021
30
30
1
Aug 2021
12
12
3
Sep 2021
26
26
3
Oct 2021
22
22
1
Nov 2021
26
26
3
Dec 2021
20
20
2
Jan 2022
36
36
4
Feb 2022
11
11
0
Mar 2022
27
27
1
Apr 2022
35
35
0
May 2022
18
18
1
Jun 2022
19
19
3
Jul 2022
17
18
3
Aug 2022
24
23
4
Sep 2022
20
20
2
Oct 2022
20
20
4
Nov 2022
20
19
0
Dec 2022
15
15
2
Jan 2023
13
13
2
Feb 2023
46
46
1
Mar 2023
21
21
2
Apr 2023
12
12
12
May 2023
11
11
8
Jun 2023
7
7
0
Jul 2023
14
14
5
Aug 2023
14
14
2
Sep 2023
203
203
0
Oct 2023
171
171
1
Nov 2023
227
227
4
Dec 2023
19
19
4
Jan 2024
8
8
1
Feb 2024
13
13
3
Mar 2024
26
25
2
Apr 2024
24
24
6
May 2024
8
8
0
Jun 2024
21
24
7
Jul 2024
8
9
3
Aug 2024
11
12
4
Sep 2024
4
3
2
Total
4292
8880
1678
Read the full text or download the PDF:
Subscribe
Log in
Log in via Institution
Log in via OpenAthens
Log in via RCEM
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?