Skip to main content
Subscribe
Log In
More
Log in via Institution
Log in via OpenAthens
Log in via your Society
Select your society
ACMSE
ACPSEM
ACSEP
AMSSM
BASEM
BASRAT
CASEM
CLINICAL EDGE
FSEM
GISSPORT
IOC
OSCA
SASMA
SGMS
SMA
SPC
SPNZ
SSMS
SSPA
SST
SUFT
VSG
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
For authors
Resources
About
New editors
Search for this keyword
Advanced search
Close
More
Main menu
Latest content
Current issue
Archive
For authors
Resources
About
New editors
Subscribe
Log in
More
Log in via Institution
Log in via OpenAthens
Log in via your Society
Select your society
ACMSE
ACPSEM
ACSEP
AMSSM
BASEM
BASRAT
CASEM
CLINICAL EDGE
FSEM
GISSPORT
IOC
OSCA
SASMA
SGMS
SMA
SPC
SPNZ
SSMS
SSPA
SST
SUFT
VSG
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 40, Issue 1
No cumulative effects for one or two previous concussions
Email alerts
Article metrics
Article menu
Article
Text
Article
info
Citation
Tools
Share
Rapid Responses
Article
metrics
Alerts
PDF
Original article
No cumulative effects for one or two previous concussions
Free
Online download statistics by month:
Online download statistics by month: December 2005 to December 2022
Abstract
Full
Pdf
Dec 2005
35
18
33
Jan 2006
65
39
52
Feb 2006
46
26
31
Mar 2006
40
51
28
Apr 2006
27
13
14
May 2006
28
11
10
Jun 2006
28
8
9
Jul 2006
24
6
11
Aug 2006
21
12
22
Sep 2006
48
7
9
Oct 2006
86
20
19
Nov 2006
40
18
15
Dec 2006
43
10
9
Jan 2007
18
62
32
Feb 2007
30
71
30
Mar 2007
32
101
43
Apr 2007
70
21
23
May 2007
60
22
20
Jun 2007
33
10
16
Jul 2007
34
15
27
Aug 2007
36
11
14
Sep 2007
39
22
16
Oct 2007
49
11
24
Nov 2007
54
25
30
Dec 2007
41
16
21
Jan 2008
47
14
16
Feb 2008
53
14
23
Mar 2008
47
15
20
Apr 2008
60
11
16
May 2008
16
8
11
Jun 2008
13
5
10
Jul 2008
21
5
6
Aug 2008
38
10
10
Sep 2008
65
19
14
Oct 2008
38
20
15
Nov 2008
48
15
15
Dec 2008
41
8
7
Jan 2009
39
3
5
Feb 2009
44
3
7
Mar 2009
64
5
9
Apr 2009
52
4
9
May 2009
26
2
6
Jun 2009
26
5
10
Jul 2009
20
3
6
Aug 2009
20
1
6
Sep 2009
41
4
8
Oct 2009
59
16
8
Nov 2009
64
1
4
Dec 2009
50
2
6
Jan 2010
71
2
9
Feb 2010
42
11
11
Mar 2010
41
7
8
Apr 2010
34
7
7
May 2010
41
7
11
Jun 2010
30
5
10
Jul 2010
27
3
5
Aug 2010
39
8
9
Sep 2010
50
11
5
Oct 2010
74
17
12
Nov 2010
63
19
9
Dec 2010
27
12
11
Jan 2011
43
10
13
Feb 2011
88
10
14
Mar 2011
97
19
21
Apr 2011
85
12
13
May 2011
62
14
12
Jun 2011
52
6
15
Jul 2011
35
3
5
Aug 2011
51
3
4
Sep 2011
106
13
12
Oct 2011
150
6
11
Nov 2011
125
8
11
Dec 2011
57
3
2
Jan 2012
80
4
5
Feb 2012
103
4
6
Mar 2012
98
6
12
Apr 2012
103
0
6
May 2012
104
8
8
Jun 2012
84
3
5
Jul 2012
50
1
8
Aug 2012
24
0
0
Sep 2012
110
6
10
Oct 2012
165
6
7
Nov 2012
166
8
10
Dec 2012
94
7
11
Jan 2013
94
5
8
Feb 2013
152
8
10
Mar 2013
130
14
17
Apr 2013
147
11
11
May 2013
64
2
5
Jun 2013
73
6
4
Jul 2013
40
0
3
Aug 2013
53
6
5
Sep 2013
176
9
5
Oct 2013
271
9
20
Nov 2013
282
12
11
Dec 2013
175
6
5
Jan 2014
123
2
5
Feb 2014
164
9
14
Mar 2014
305
32
61
Apr 2014
237
35
37
May 2014
99
9
10
Jun 2014
66
2
5
Jul 2014
59
4
2
Aug 2014
38
0
1
Sep 2014
90
3
2
Oct 2014
138
10
7
Nov 2014
168
10
7
Dec 2014
70
2
5
Jan 2015
97
3
2
Feb 2015
108
9
12
Mar 2015
117
8
9
Apr 2015
108
3
0
May 2015
94
3
6
Jun 2015
36
2
3
Jul 2015
36
4
4
Aug 2015
33
1
1
Sep 2015
82
8
4
Oct 2015
88
0
4
Nov 2015
131
2
7
Dec 2015
91
4
5
Jan 2016
139
2
4
Feb 2016
155
3
11
Mar 2016
143
2
13
Apr 2016
136
6
5
May 2016
79
3
9
Jun 2016
35
2
8
Jul 2016
30
3
8
Aug 2016
55
3
6
Sep 2016
86
2
0
Oct 2016
126
4
5
Nov 2016
135
1
8
Dec 2016
85
1
4
Jan 2017
68
1
1
Feb 2017
102
5
6
Mar 2017
105
11
4
Apr 2017
72
7
2
May 2017
51
3
5
Jun 2017
30
6
5
Jul 2017
39
17
14
Aug 2017
54
13
8
Sep 2017
206
40
25
Oct 2017
214
36
17
Nov 2017
255
59
22
Dec 2017
155
33
12
Jan 2018
453
353
9
Feb 2018
246
117
20
Mar 2018
333
199
19
Apr 2018
275
135
15
May 2018
241
133
11
Jun 2018
86
36
9
Jul 2018
64
32
6
Aug 2018
133
97
8
Sep 2018
130
60
13
Oct 2018
225
95
23
Nov 2018
297
111
17
Dec 2018
188
100
17
Jan 2019
196
84
18
Feb 2019
218
77
25
Mar 2019
182
54
17
Apr 2019
134
28
28
May 2019
78
11
19
Jun 2019
64
4
17
Jul 2019
38
13
10
Aug 2019
35
9
5
Sep 2019
126
37
17
Oct 2019
179
40
28
Nov 2019
85
23
27
Dec 2019
53
13
14
Jan 2020
87
11
16
Feb 2020
112
26
15
Mar 2020
76
32
12
Apr 2020
100
48
19
May 2020
67
39
26
Jun 2020
36
18
16
Jul 2020
33
13
19
Aug 2020
15
9
13
Sep 2020
88
27
19
Oct 2020
146
30
21
Nov 2020
90
20
9
Dec 2020
51
15
8
Jan 2021
37
25
2
Feb 2021
48
17
17
Mar 2021
76
12
15
Apr 2021
59
11
16
May 2021
26
12
5
Jun 2021
11
11
6
Jul 2021
10
10
5
Aug 2021
10
10
6
Sep 2021
23
23
23
Oct 2021
37
18
23
Nov 2021
43
14
18
Dec 2021
36
16
7
Jan 2022
71
27
18
Feb 2022
47
14
16
Mar 2022
31
15
12
Apr 2022
50
18
10
May 2022
44
29
12
Jun 2022
50
40
15
Jul 2022
22
16
3
Aug 2022
62
43
5
Sep 2022
65
34
27
Oct 2022
61
35
9
Nov 2022
55
22
10
Dec 2022
25
19
4
Total
17439
4244
2521
Read the full text or download the PDF:
Subscribe
Log in
Log in via Institution
Log in via OpenAthens
Log in via your Society
Select your society
ACMSE
ACPSEM
ACSEP
AMSSM
BASEM
BASRAT
CASEM
CLINICAL EDGE
FSEM
GISSPORT
IOC
OSCA
SASMA
SGMS
SMA
SPC
SPNZ
SSMS
SSPA
SST
SUFT
VSG
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