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Volume 81, Issue 12
Corrective measures
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This article has a correction. Please see:
Correction - March 01, 1998
PDF
Editorial
Corrective measures
Online download statistics by month:
Online download statistics by month: March 1999 to March 2024
Abstract
Full
Pdf
Mar 1999
0
0
1
Apr 1999
0
5
2
May 1999
0
4
3
Jun 1999
0
4
0
Aug 1999
0
1
0
Oct 1999
0
2
0
Nov 1999
0
1
0
Jan 2000
0
1
0
Mar 2000
0
1
0
Apr 2000
0
1
1
Jun 2000
0
1
0
Oct 2000
0
1
0
Nov 2000
0
1
0
Dec 2000
0
0
1
Jan 2001
0
1
0
Feb 2001
0
1
0
Mar 2001
0
2
0
May 2001
0
1
0
Jul 2001
0
1
0
Aug 2001
0
3
2
Sep 2001
0
3
0
Oct 2001
0
4
0
Dec 2001
0
2
0
Jan 2002
0
3
2
Feb 2002
0
1
0
Mar 2002
0
1
0
Jun 2002
0
1
0
Aug 2002
0
3
2
Oct 2002
0
2
1
Nov 2002
0
1
0
Dec 2002
0
1
0
Jan 2003
0
2
0
Feb 2003
0
1
0
Apr 2003
0
1
2
May 2003
0
4
1
Jun 2003
0
1
1
Jul 2003
0
6
1
Aug 2003
0
10
0
Sep 2003
1
13
0
Oct 2003
0
6
0
Nov 2003
0
11
0
Dec 2003
0
27
0
Jan 2004
0
17
2
Feb 2004
0
11
0
Mar 2004
0
15
3
Apr 2004
0
10
2
May 2004
0
11
3
Jun 2004
0
11
0
Jul 2004
0
8
0
Aug 2004
0
17
0
Sep 2004
0
13
0
Oct 2004
3
11
1
Nov 2004
5
8
1
Dec 2004
4
11
0
Jan 2005
4
7
0
Feb 2005
3
8
0
Mar 2005
5
18
2
Apr 2005
1
11
1
May 2005
1
2
0
Jun 2005
5
8
0
Jul 2005
1
2
0
Aug 2005
3
4
3
Sep 2005
1
2
1
Oct 2005
0
7
1
Nov 2005
0
5
2
Dec 2005
0
3
0
Jan 2006
2
10
1
Feb 2006
1
7
0
Mar 2006
0
11
3
Apr 2006
1
6
1
May 2006
2
7
2
Jun 2006
1
1
1
Jul 2006
1
4
1
Aug 2006
0
1
0
Sep 2006
0
4
1
Oct 2006
1
9
2
Nov 2006
1
4
0
Dec 2006
0
3
0
Jan 2007
0
1
1
Feb 2007
1
1
0
Mar 2007
0
2
1
Apr 2007
2
1
3
May 2007
1
0
1
Jun 2007
1
0
1
Jul 2007
0
1
0
Aug 2007
1
0
1
Sep 2007
2
0
0
Oct 2007
6
0
1
Nov 2007
1
1
0
Dec 2007
2
0
0
Jan 2008
0
3
2
Feb 2008
2
2
1
Mar 2008
0
2
0
Apr 2008
0
0
1
May 2008
0
1
0
Jun 2008
2
0
0
Jul 2008
3
2
0
Aug 2008
2
1
0
Sep 2008
1
1
0
Oct 2008
4
1
1
Nov 2008
0
0
1
Dec 2008
2
1
0
Jan 2009
2
1
2
Feb 2009
0
0
1
Mar 2009
0
0
1
Jun 2009
3
0
0
Jul 2009
3
1
0
Aug 2009
1
1
0
Nov 2009
1
0
0
Dec 2009
7
0
0
Feb 2010
2
0
0
Mar 2010
1
0
0
May 2010
1
0
2
Jun 2010
1
0
0
Jul 2010
0
1
3
Aug 2010
1
0
0
Sep 2010
5
0
0
Oct 2010
3
0
0
Nov 2010
6
3
1
Dec 2010
3
0
0
Jan 2011
4
1
0
Feb 2011
4
0
0
Mar 2011
2
1
0
Apr 2011
4
2
1
May 2011
7
1
1
Jun 2011
7
0
0
Jul 2011
8
0
0
Aug 2011
6
0
0
Sep 2011
2
0
0
Oct 2011
3
1
0
Nov 2011
6
1
0
Dec 2011
8
3
3
Jan 2012
5
2
1
Feb 2012
6
1
2
Mar 2012
7
1
6
Apr 2012
6
2
2
May 2012
2
1
0
Jun 2012
1
4
2
Jul 2012
6
6
0
Aug 2012
3
3
1
Sep 2012
7
5
3
Oct 2012
8
9
3
Nov 2012
0
8
3
Dec 2012
0
4
3
Jan 2013
0
11
3
Feb 2013
0
3
0
Mar 2013
0
4
4
Apr 2013
0
3
3
May 2013
0
4
3
Jun 2013
1
0
1
Aug 2013
1
0
0
Sep 2013
0
4
0
Oct 2013
0
1
1
Nov 2013
1
1
0
Dec 2013
2
1
0
Jan 2014
2
1
0
Feb 2014
1
0
0
Mar 2014
4
3
0
Apr 2014
7
2
1
May 2014
0
1
0
Jun 2014
0
1
0
Jul 2014
7
3
0
Aug 2014
0
5
1
Sep 2014
1
1
0
Oct 2014
0
2
0
Nov 2014
0
1
0
Dec 2014
4
0
0
Jan 2015
1
1
0
Feb 2015
1
0
0
Mar 2015
3
1
0
Apr 2015
1
0
0
May 2015
6
2
1
Jun 2015
1
0
1
Jul 2015
3
1
0
Aug 2015
1
0
0
Sep 2015
1
0
2
Oct 2015
2
1
0
Nov 2015
3
2
2
Dec 2015
1
0
0
Feb 2016
0
2
2
Mar 2016
1
0
4
Apr 2016
0
0
2
Jun 2016
0
0
1
Aug 2016
0
0
1
Sep 2016
1
0
0
Oct 2016
2
0
0
Nov 2016
1
1
0
Jan 2017
2
0
0
Feb 2017
1
1
1
Apr 2017
0
3
0
May 2017
0
3
0
Jun 2017
0
2
1
Jul 2017
2
2
2
Aug 2017
3
3
0
Sep 2017
49
49
1
Oct 2017
108
109
1
Nov 2017
41
41
1
Dec 2017
26
26
0
Jan 2018
18
18
0
Feb 2018
24
22
2
Mar 2018
15
15
0
Apr 2018
19
20
0
May 2018
19
20
0
Jun 2018
16
17
0
Jul 2018
18
18
1
Aug 2018
14
14
1
Sep 2018
18
18
1
Oct 2018
13
13
1
Nov 2018
10
10
0
Dec 2018
18
18
0
Jan 2019
12
10
0
Feb 2019
16
13
0
Mar 2019
5
5
4
Apr 2019
3
1
3
May 2019
7
7
4
Jun 2019
12
12
1
Jul 2019
9
9
3
Aug 2019
12
12
2
Sep 2019
8
8
1
Oct 2019
9
9
2
Nov 2019
10
10
2
Dec 2019
9
9
1
Jan 2020
9
9
0
Feb 2020
12
12
2
Mar 2020
8
8
2
Apr 2020
13
13
2
May 2020
12
12
2
Jun 2020
11
11
3
Jul 2020
15
15
2
Aug 2020
9
9
2
Sep 2020
15
15
1
Oct 2020
15
15
0
Nov 2020
4
4
4
Dec 2020
24
15
1
Jan 2021
8
7
1
Feb 2021
2
2
4
Mar 2021
1
1
1
Apr 2021
5
5
1
May 2021
2
2
1
Jun 2021
5
5
0
Jul 2021
9
9
3
Aug 2021
3
3
1
Sep 2021
3
3
2
Oct 2021
2
2
12
Nov 2021
5
5
10
Dec 2021
5
5
0
Jan 2022
7
7
6
Feb 2022
5
5
1
Mar 2022
4
4
0
Apr 2022
5
5
2
May 2022
24
23
9
Jun 2022
22
22
2
Jul 2022
11
11
2
Aug 2022
20
20
3
Sep 2022
17
17
4
Oct 2022
21
21
4
Nov 2022
5
5
0
Dec 2022
9
9
1
Jan 2023
5
5
2
Feb 2023
30
30
0
Mar 2023
5
5
0
Apr 2023
2
2
1
May 2023
3
3
4
Jun 2023
0
0
1
Jul 2023
3
3
3
Aug 2023
1
1
1
Sep 2023
3
3
1
Oct 2023
2
2
0
Nov 2023
3
3
1
Dec 2023
32
2
0
Jan 2024
15
1
0
Feb 2024
16
0
0
Mar 2024
48
0
0
Total
1353
1513
284
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