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Volume 93, Issue 9
Selection bias resulting from the requirement for prior consent in observational research: a community cohort of people with ischaemic heart disease
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Original research
Selection bias resulting from the requirement for prior consent in observational research: a community cohort of people with ischaemic heart disease
Online download statistics by month:
Online download statistics by month: May 2007 to October 2024
Abstract
Full
Pdf
May 2007
31
0
9
Jun 2007
11
0
4
Jul 2007
4
0
5
Aug 2007
65
21
60
Sep 2007
76
36
33
Oct 2007
72
43
17
Nov 2007
74
37
11
Dec 2007
52
27
4
Jan 2008
52
27
5
Feb 2008
49
27
5
Mar 2008
46
27
9
Apr 2008
55
27
7
May 2008
23
13
9
Jun 2008
15
3
4
Jul 2008
28
11
9
Aug 2008
18
3
1
Sep 2008
27
11
8
Oct 2008
31
9
11
Nov 2008
18
8
6
Dec 2008
17
8
6
Jan 2009
25
1
1
Feb 2009
12
18
4
Mar 2009
24
15
11
Apr 2009
24
16
4
May 2009
22
11
5
Jun 2009
17
6
2
Jul 2009
14
9
1
Aug 2009
10
9
1
Sep 2009
23
11
4
Oct 2009
34
18
6
Nov 2009
27
11
1
Dec 2009
35
3
1
Jan 2010
182
3
3
Feb 2010
132
3
3
Mar 2010
134
5
7
Apr 2010
183
3
4
May 2010
164
5
3
Jun 2010
71
7
7
Jul 2010
18
10
13
Aug 2010
144
27
25
Sep 2010
425
80
55
Oct 2010
156
31
17
Nov 2010
61
0
1
Dec 2010
28
2
3
Jan 2011
16
9
14
Feb 2011
47
6
6
Mar 2011
29
12
7
Apr 2011
37
5
6
May 2011
50
3
2
Jun 2011
29
3
4
Jul 2011
35
5
2
Aug 2011
19
5
4
Sep 2011
32
8
4
Oct 2011
27
2
6
Nov 2011
43
10
10
Dec 2011
16
7
3
Jan 2012
36
1
20
Feb 2012
15
1
1
Mar 2012
29
2
1
Apr 2012
32
1
3
May 2012
37
0
24
Jun 2012
32
2
25
Jul 2012
30
0
13
Aug 2012
14
0
29
Sep 2012
27
1
27
Oct 2012
115
2
32
Nov 2012
146
38
33
Dec 2012
144
49
9
Jan 2013
25
7
4
Feb 2013
118
0
7
Mar 2013
99
4
1
Apr 2013
91
1
3
May 2013
49
5
2
Jun 2013
21
15
1
Jul 2013
54
17
1
Aug 2013
49
0
0
Sep 2013
146
17
0
Oct 2013
182
27
0
Nov 2013
46
8
1
Dec 2013
19
1
0
Jan 2014
10
0
0
Feb 2014
11
0
0
Mar 2014
9
0
0
Apr 2014
15
1
0
May 2014
32
1
3
Jun 2014
11
1
1
Jul 2014
15
2
4
Aug 2014
12
1
2
Sep 2014
9
0
1
Oct 2014
12
1
1
Nov 2014
11
1
1
Dec 2014
3
4
0
Jan 2015
15
1
1
Feb 2015
16
1
0
Mar 2015
3
0
1
Apr 2015
12
1
2
May 2015
12
0
2
Jun 2015
7
0
2
Jul 2015
14
1
1
Aug 2015
7
0
1
Sep 2015
16
1
1
Oct 2015
14
0
0
Nov 2015
2
0
0
Dec 2015
9
1
3
Jan 2016
11
0
3
Feb 2016
16
0
0
Mar 2016
16
0
1
Apr 2016
13
1
0
May 2016
9
1
1
Jun 2016
12
0
0
Jul 2016
49
0
1
Aug 2016
12
1
1
Sep 2016
15
0
0
Oct 2016
16
1
2
Nov 2016
18
0
0
Dec 2016
20
1
1
Jan 2017
17
1
0
Feb 2017
18
0
1
Mar 2017
17
1
0
Apr 2017
9
1
0
May 2017
11
0
0
Jun 2017
13
1
0
Jul 2017
15
0
1
Aug 2017
20
0
0
Sep 2017
17
2
0
Oct 2017
16
0
1
Nov 2017
36
0
1
Dec 2017
30
1
0
Jan 2018
39
1
1
Feb 2018
35
2
1
Mar 2018
32
4
0
Apr 2018
37
2
0
May 2018
37
0
0
Jun 2018
38
0
0
Jul 2018
22
0
0
Aug 2018
39
0
0
Sep 2018
23
0
1
Oct 2018
34
1
1
Nov 2018
18
1
1
Dec 2018
20
0
0
Jan 2019
13
1
1
Feb 2019
14
0
0
Mar 2019
17
1
2
Apr 2019
19
2
1
May 2019
19
3
2
Jun 2019
24
6
2
Jul 2019
18
3
1
Aug 2019
7
1
4
Sep 2019
8
0
0
Oct 2019
32
1
0
Nov 2019
17
3
0
Dec 2019
26
2
0
Jan 2020
34
0
0
Feb 2020
30
1
3
Mar 2020
20
0
0
Apr 2020
14
2
0
May 2020
37
1
0
Jun 2020
35
1
0
Jul 2020
35
1
1
Aug 2020
13
1
0
Sep 2020
34
0
2
Oct 2020
41
0
0
Nov 2020
21
1
1
Dec 2020
15
1
0
Jan 2021
27
0
3
Feb 2021
18
2
2
Mar 2021
20
2
1
Apr 2021
35
2
0
May 2021
9
1
0
Jun 2021
0
0
2
Jul 2021
3
3
1
Aug 2021
1
1
0
Sep 2021
3
3
0
Oct 2021
11
1
0
Nov 2021
23
1
0
Dec 2021
32
2
3
Jan 2022
25
1
0
Feb 2022
12
2
0
Mar 2022
35
10
1
Apr 2022
24
1
0
May 2022
29
4
0
Jun 2022
17
3
1
Jul 2022
23
3
0
Aug 2022
72
3
0
Sep 2022
47
2
0
Oct 2022
23
3
0
Nov 2022
24
2
0
Dec 2022
25
1
1
Jan 2023
28
2
0
Feb 2023
62
2
0
Mar 2023
61
11
1
Apr 2023
17
1
0
May 2023
64
6
7
Jun 2023
13
1
0
Jul 2023
21
4
0
Aug 2023
47
2
0
Sep 2023
43
0
0
Oct 2023
38
2
1
Nov 2023
35
2
0
Dec 2023
42
4
1
Jan 2024
45
1
2
Feb 2024
65
0
0
Mar 2024
53
0
0
Apr 2024
67
0
0
May 2024
60
1
0
Jun 2024
34
1
0
Jul 2024
63
1
0
Aug 2024
51
5
0
Sep 2024
60
3
1
Oct 2024
47
1
0
Total
7839
1092
804
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