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Effects of state helmet laws on bicycle helmet use by children and adolescents
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Apr 2002194619
May 2002265828
Jun 2002225019
Jul 20024155
Aug 200272011
Sep 2002143453
Oct 2002113857
Nov 2002112039
Dec 200262173
Jan 200362638
Feb 2003113145
Mar 2003133052
Apr 2003112564
May 200371733
Jun 200382751
Jul 2003263571
Aug 20035859129
Sep 20032640117
Oct 20033745156
Nov 2003414162
Dec 2003232457
Jan 20042116454
Feb 2004369848
Mar 2004363766
Apr 2004494771
May 2004584768
Jun 2004557087
Jul 2004454952
Aug 2004534335
Sep 2004365866
Oct 2004719569
Nov 2004316565
Dec 2004317051
Jan 2005353550
Feb 2005296646
Mar 2005386641
Apr 2005113746
May 2005145224
Jun 2005115829
Jul 2005173828
Aug 2005214026
Sep 2005144059
Oct 2005265273
Nov 2005195369
Dec 2005153235
Jan 2006123241
Feb 2006154672
Mar 2006115973
Apr 2006127862
May 2006427924
Jun 2006267641
Jul 2006157033
Aug 2006335023
Sep 2006376022
Oct 2006374838
Nov 2006644447
Dec 2006242829
Jan 2007362928
Feb 2007372828
Mar 2007404431
Apr 2007286107
May 20075026
Jun 20075499
Jul 200738813
Aug 20073126
Sep 20073124
Oct 20073565
Nov 200730911
Dec 20071521
Jan 20082248
Feb 20082824
Mar 20083338
Apr 20082788
May 20083267
Jun 20082745
Jul 20083842
Aug 20082753
Sep 20082976
Oct 20083544
Nov 20083363
Dec 20082036
Jan 200924821
Feb 20093847
Mar 200940118
Apr 20093867
May 20094048
Jun 20091343
Jul 20092826
Aug 20093226
Sep 20093377
Oct 20092353
Nov 20092054
Dec 20091124
Jan 20102365
Feb 20101323
Mar 20102734
Apr 20103297
May 20102761
Jun 201022511
Jul 20102839
Aug 20101247
Sep 20101834
Oct 201039139
Nov 20102944
Dec 20102430
Jan 20111134
Feb 20112213
Mar 201122511
Apr 20113279
May 20111512
Jun 20112304
Jul 20112825
Aug 20111603
Sep 20112134
Oct 20111325
Nov 201123315
Dec 20111155
Jan 201217616
Feb 2012111514
Mar 2012141934
Apr 2012151726
May 2012392642
Jun 2012271437
Jul 201212731
Aug 2012231024
Sep 2012381033
Oct 2012541440
Nov 2012352462
Dec 2012301460
Jan 2013521127
Feb 2013362144
Mar 2013302339
Apr 2013401888
May 2013171439
Jun 20138830
Jul 201313827
Aug 201316642
Sep 201314742
Oct 201326654
Nov 2013211164
Dec 20138848
Jan 20147340
Feb 201416752
Mar 2014241043
Apr 2014191961
May 2014313563
Jun 201412821
Jul 20149725
Aug 201471317
Sep 2014171330
Oct 2014211351
Nov 2014171230
Dec 201481113
Jan 2015529
Feb 201517927
Mar 201518327
Apr 2015251021
May 2015222025
Jun 201514213
Jul 201512726
Aug 2015101119
Sep 2015401142
Oct 2015181040
Nov 2015222117
Dec 2015161412
Jan 20161213514
Feb 2016221624
Mar 20166417
Apr 201615226
May 201613915
Jun 20162029
Jul 201615634
Aug 201614711
Sep 201611331
Oct 2016201190
Nov 201614642
Dec 201616420
Jan 201715726
Feb 201713220
Mar 201791419
Apr 201733638
May 201791926
Jun 2017161529
Jul 2017211422
Aug 2017291325
Sep 2017282428
Oct 2017503236
Nov 2017866827
Dec 201712810443
Jan 201813611633
Feb 20181149534
Mar 201814312168
Apr 2018877435
May 20181039114
Jun 2018714717
Jul 2018434114
Aug 201848428
Sep 2018584816
Oct 2018949021
Nov 201815814221
Dec 20181181168
Jan 201911610514
Feb 201912210934
Mar 2019745521
Apr 2019553317
May 2019452739
Jun 2019281734
Jul 2019211432
Aug 201920838
Sep 2019261528
Oct 2019372219
Nov 2019411940
Dec 2019171540
Jan 2020341824
Feb 2020632623
Mar 2020211312
Apr 202012815
May 2020211713
Jun 2020161273
Jul 202023187
Aug 202017134
Sep 2020332234
Oct 2020513012
Nov 2020392242
Dec 2020191142
Jan 2021341815
Feb 202123922
Mar 2021221015
Apr 202124126
May 202120913
Jun 20215517
Jul 20215541
Aug 20218726
Sep 2021565516
Oct 2021301725
Nov 2021302632
Dec 202125165
Total738661466911