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Coal workers' pneumoconiosis and progressive massive fibrosis are increasingly more prevalent among workers in small underground coal mines in the United States
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May 2010411
Jun 20101334152
Jul 201052111111
Aug 20101039825
Sep 2010364918
Oct 2010294824
Nov 2010335936
Dec 2010253425
Jan 2011263220
Feb 2011375228
Mar 2011433433
Apr 2011444739
May 2011343015
Jun 2011392924
Jul 2011292316
Aug 201123177
Sep 2011353216
Oct 2011313214
Nov 2011374313
Dec 201140339
Jan 2012463321
Feb 2012312919
Mar 2012284818
Apr 2012442517
May 2012462611
Jun 2012262716
Jul 2012441812
Aug 2012502015
Sep 2012271715
Oct 2012572819
Nov 2012901718
Dec 2012692716
Jan 2013712712
Feb 2013552012
Mar 2013752017
Apr 2013542422
May 2013612427
Jun 20133477
Jul 201324156
Aug 201322137
Sep 2013361613
Oct 2013183815
Nov 2013381920
Dec 20132497
Jan 20148168
Feb 201414148
Mar 2014161310
Apr 2014382618
May 2014401810
Jun 2014287010
Jul 20142778
Aug 20141468
Sep 20143188
Oct 2014302211
Nov 20142276
Dec 201431387
Jan 201533477
Feb 201524139
Mar 2015462819
Apr 2015473215
May 2015201210
Jun 201524109
Jul 2015835
Aug 20152546
Sep 201522155
Oct 20152184
Nov 2015282219
Dec 2015252514
Jan 201640137
Feb 20162165
Mar 2016451127
Apr 2016352410
May 201623917
Jun 2016945
Jul 20161682
Aug 201618149
Sep 201620109
Oct 201613189
Nov 2016201914
Dec 20161563
Jan 2017181213
Feb 20171088
Mar 201720158
Apr 2017182314
May 201710106
Jun 20176187
Jul 201724131
Aug 201735209
Sep 201764207
Oct 2017521017
Nov 2017552315
Dec 20172883
Jan 20181179911
Feb 201868367
Mar 20181458512
Apr 20181277718
May 201844348
Jun 201831157
Jul 201853176
Aug 2018633513
Sep 2018895524
Oct 2018705020
Nov 201862484
Dec 20181167013
Jan 201968515
Feb 2019523718
Mar 2019603415
Apr 2019572614
May 2019381911
Jun 2019332112
Jul 2019695511
Aug 201918158
Sep 201936247
Oct 2019886613
Nov 2019593910
Dec 2019674018
Jan 2020422610
Feb 2020642213
Mar 202041218
Apr 202049277
May 202032174
Jun 2020634710
Jul 2020382415
Aug 2020513121
Sep 202041305
Oct 2020522819
Nov 2020613316
Dec 202035254
Jan 202123107
Feb 2021542416
Mar 2021341810
Apr 2021503111
May 202116124
Jun 2021272710
Jul 2021161614
Aug 2021151513
Sep 2021202020
Oct 2021362623
Nov 2021422921
Dec 202129239
Jan 202227235
Feb 2022383515
Mar 2022544621
Apr 2022433517
May 2022604818
Total592339951998