Article metrics

Download PDFPDF
A headache not to be sneezed at

 

Online download statistics by month:

Online download statistics by month: April 2009 to April 2020

AbstractFullPdf
Apr 20091023435
May 20091914942
Jun 2009502217
Jul 2009271813
Aug 2009202112
Sep 20092152
Oct 20094288
Nov 2009314139
Dec 20093539
Jan 20102646
Feb 20103831
Mar 20103647
Apr 20103417
May 20102958
Jun 20102445
Jul 201022125
Aug 20106051
Sep 20105784
Oct 20104193
Nov 20105272
Dec 20103085
Jan 20115321
Feb 2011511811
Mar 201134146
Apr 20116573
May 201184176
Jun 201110262
Jul 201172120
Aug 20119420
Sep 201111833
Oct 201177103
Nov 20119170
Dec 201189130
Jan 201279201
Feb 201287131
Mar 201211131
Apr 201211242
May 201213772
Jun 2012118151
Jul 201256150
Aug 201267167
Sep 20127632
Oct 20126891
Nov 20124243
Dec 2012900
Jan 20132333
Feb 20131300
Mar 20131931
Apr 20132024
May 20132100
Jun 2013710
Jul 20131200
Aug 2013812
Sep 2013701
Oct 2013400
Nov 20131012
Dec 2013201
Jan 2014910
Feb 2014400
Mar 2014901
Apr 20142211
May 2014800
Jun 2014200
Jul 2014601
Aug 2014200
Sep 2014732
Oct 2014702
Nov 2014800
Dec 2014300
Jan 2015700
Feb 20151901
Mar 20151412
Apr 20151010
May 20151721
Jun 2015322
Jul 2015800
Aug 2015800
Sep 2015601
Nov 2015900
Dec 2015600
Jan 2016701
Feb 20161001
Mar 2016612
Apr 2016810
May 2016401
Jun 2016300
Jul 2016700
Aug 2016911
Sep 20161422
Oct 2016800
Nov 2016913
Dec 2016700
Jan 2017600
Feb 20171420
Mar 20171511
Apr 2017720
May 2017811
Jun 20171500
Jul 20173700
Aug 20172100
Sep 20174311
Oct 20173800
Nov 20173400
Dec 20175300
Jan 20184821
Feb 20187801
Mar 20184110
Apr 20183100
May 20182910
Jun 20182300
Jul 20181500
Aug 20182711
Sep 2018600
Oct 20183122
Nov 20182700
Dec 20182500
Jan 20192621
Feb 20192200
Mar 20192210
Apr 2019622
May 2019610
Jun 20191210
Jul 20191510
Aug 20191700
Sep 20192612
Oct 20191910
Nov 2019200
Dec 20191403
Jan 20201400
Feb 2020800
Mar 20201622
Apr 20201200
Total4201545344