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 60, Issue 3
Are personal and static samples related?
Email alerts
Article metrics
Article menu
Article
Text
Article
info
Citation
Tools
Share
Rapid Responses
Article
metrics
Alerts
PDF
Letter
Are personal and static samples related?
Online download statistics by month:
Online download statistics by month: February 2003 to March 2024
Abstract
Full
Pdf
Feb 2003
0
45
11
Mar 2003
0
57
10
Apr 2003
0
29
4
May 2003
0
7
5
Jun 2003
0
9
4
Jul 2003
0
101
2
Aug 2003
0
13
0
Sep 2003
0
15
2
Oct 2003
0
42
1
Nov 2003
0
35
1
Dec 2003
0
4
0
Jan 2004
0
41
1
Feb 2004
0
5
1
Mar 2004
0
74
5
Apr 2004
0
57
5
May 2004
0
31
0
Jun 2004
0
26
0
Jul 2004
0
36
2
Aug 2004
0
54
1
Sep 2004
0
60
9
Oct 2004
13
13
5
Nov 2004
6
10
1
Dec 2004
8
12
4
Jan 2005
10
13
1
Feb 2005
4
20
11
Mar 2005
5
15
2
Apr 2005
2
9
2
May 2005
2
24
5
Jun 2005
1
8
1
Jul 2005
0
11
1
Aug 2005
4
12
8
Sep 2005
2
5
1
Oct 2005
3
10
5
Nov 2005
2
17
11
Dec 2005
3
3
3
Jan 2006
2
6
3
Feb 2006
1
6
10
Mar 2006
0
2
4
Apr 2006
1
8
6
May 2006
5
9
6
Jun 2006
5
7
7
Jul 2006
2
6
5
Aug 2006
3
6
2
Sep 2006
10
7
10
Oct 2006
4
10
11
Nov 2006
2
5
9
Dec 2006
0
5
4
Jan 2007
0
3
11
Feb 2007
0
4
10
Mar 2007
6
4
3
Apr 2007
7
6
5
May 2007
4
2
0
Jun 2007
1
1
2
Jul 2007
0
1
3
Aug 2007
5
3
1
Sep 2007
4
2
3
Oct 2007
7
2
2
Nov 2007
3
5
4
Dec 2007
2
2
1
Jan 2008
5
0
0
Feb 2008
7
2
2
Mar 2008
6
2
4
Apr 2008
5
3
2
May 2008
5
4
2
Jun 2008
1
0
0
Jul 2008
3
0
0
Aug 2008
3
4
4
Sep 2008
7
3
2
Oct 2008
6
2
1
Nov 2008
4
1
0
Dec 2008
9
3
1
Jan 2009
1
0
1
Feb 2009
2
1
1
Mar 2009
5
2
1
Apr 2009
5
3
1
May 2009
6
2
1
Jun 2009
4
4
1
Jul 2009
7
0
0
Aug 2009
2
2
1
Sep 2009
2
2
1
Oct 2009
5
1
0
Nov 2009
6
1
1
Dec 2009
7
1
0
Jan 2010
4
0
1
Feb 2010
3
4
1
Mar 2010
2
0
0
Apr 2010
4
0
1
May 2010
7
0
1
Jun 2010
5
1
1
Jul 2010
7
1
4
Aug 2010
6
0
2
Sep 2010
4
0
0
Oct 2010
10
7
1
Nov 2010
7
1
0
Dec 2010
3
4
2
Jan 2011
3
0
0
Feb 2011
3
1
0
Mar 2011
3
3
1
Apr 2011
3
2
0
May 2011
5
0
0
Jun 2011
12
0
2
Jul 2011
3
0
1
Aug 2011
2
0
0
Sep 2011
8
0
0
Oct 2011
1
0
0
Nov 2011
15
5
6
Dec 2011
3
2
0
Jan 2012
1
2
0
Feb 2012
2
4
0
Mar 2012
3
2
1
Apr 2012
4
2
1
May 2012
4
8
1
Jun 2012
1
6
5
Jul 2012
7
11
5
Aug 2012
7
8
4
Sep 2012
5
6
4
Oct 2012
16
3
4
Nov 2012
0
9
4
Dec 2012
0
3
2
Jan 2013
0
11
6
Feb 2013
0
6
4
Mar 2013
0
3
0
Apr 2013
0
8
7
May 2013
0
7
6
Jun 2013
3
19
12
Jul 2013
9
22
8
Aug 2013
4
16
13
Sep 2013
9
9
6
Oct 2013
1
4
8
Nov 2013
3
8
9
Dec 2013
5
4
7
Jan 2014
1
43
2
Feb 2014
5
15
4
Mar 2014
8
12
1
Apr 2014
6
12
1
May 2014
7
14
0
Jun 2014
13
15
7
Jul 2014
4
4
3
Aug 2014
1
6
4
Sep 2014
3
7
4
Oct 2014
4
4
0
Nov 2014
5
1
1
Dec 2014
0
2
5
Jan 2015
1
1
1
Feb 2015
1
1
2
Mar 2015
9
5
5
Apr 2015
3
17
6
May 2015
2
8
3
Jun 2015
1
4
1
Jul 2015
4
6
7
Aug 2015
1
4
0
Sep 2015
4
4
1
Oct 2015
0
4
1
Nov 2015
2
11
0
Dec 2015
4
4
4
Jan 2016
2
47
7
Feb 2016
1
7
8
Mar 2016
4
3
3
Apr 2016
2
8
1
May 2016
0
8
0
Jun 2016
0
2
3
Jul 2016
5
6
0
Aug 2016
6
3
4
Sep 2016
135
7
2
Oct 2016
8
11
4
Nov 2016
92
3
1
Dec 2016
86
6
1
Jan 2017
131
3
4
Feb 2017
14
10
5
Mar 2017
1
54
2
Apr 2017
2
68
8
May 2017
2
48
4
Jun 2017
9
20
3
Jul 2017
16
16
7
Aug 2017
26
26
0
Sep 2017
42
42
4
Oct 2017
16
12
5
Nov 2017
71
67
1
Dec 2017
127
127
4
Jan 2018
73
73
1
Feb 2018
88
78
5
Mar 2018
77
75
2
Apr 2018
73
67
3
May 2018
75
76
1
Jun 2018
54
56
0
Jul 2018
29
29
4
Aug 2018
60
54
5
Sep 2018
33
33
0
Oct 2018
59
59
0
Nov 2018
74
74
5
Dec 2018
66
66
3
Jan 2019
58
57
2
Feb 2019
68
68
5
Mar 2019
45
43
4
Apr 2019
34
34
24
May 2019
33
33
3
Jun 2019
20
20
5
Jul 2019
26
21
7
Aug 2019
22
20
7
Sep 2019
19
20
3
Oct 2019
17
17
3
Nov 2019
41
41
9
Dec 2019
119
119
7
Jan 2020
25
23
8
Feb 2020
13
10
3
Mar 2020
10
10
3
Apr 2020
10
9
3
May 2020
12
12
5
Jun 2020
5
5
2
Jul 2020
8
8
2
Aug 2020
9
8
2
Sep 2020
28
26
1
Oct 2020
32
29
4
Nov 2020
14
14
4
Dec 2020
26
25
3
Jan 2021
20
19
1
Feb 2021
8
8
4
Mar 2021
6
6
0
Apr 2021
11
10
4
May 2021
24
18
3
Jun 2021
14
13
4
Jul 2021
12
12
7
Aug 2021
23
23
7
Sep 2021
26
24
8
Oct 2021
31
31
20
Nov 2021
18
15
16
Dec 2021
25
25
2
Jan 2022
28
29
5
Feb 2022
29
29
14
Mar 2022
48
50
8
Apr 2022
25
25
5
May 2022
42
45
11
Jun 2022
34
34
4
Jul 2022
25
25
4
Aug 2022
52
50
3
Sep 2022
35
33
5
Oct 2022
44
41
5
Nov 2022
45
45
6
Dec 2022
24
24
2
Jan 2023
27
28
4
Feb 2023
48
49
2
Mar 2023
32
33
3
Apr 2023
43
43
8
May 2023
177
179
14
Jun 2023
86
89
4
Jul 2023
17
17
8
Aug 2023
23
23
2
Sep 2023
20
21
1
Oct 2023
45
46
9
Nov 2023
18
18
0
Dec 2023
140
6
1
Jan 2024
23
0
1
Feb 2024
39
0
0
Mar 2024
74
2
0
Total
4262
4698
912
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