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Preterm birth among African American and white women: a multilevel analysis of socioeconomic characteristics and cigarette smoking
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Jul 2003591741
Aug 2003649262
Sep 2003244321
Oct 2003677935
Nov 2003455227
Dec 2003193713
Jan 20044212520
Feb 2004243110
Mar 2004265419
Apr 2004287314
May 200444739
Jun 20046732920
Jul 20045510719
Aug 2004507022
Sep 20045211125
Oct 20043510148
Nov 20043411535
Dec 2004307637
Jan 2005539334
Feb 20053113142
Mar 2005315024
Apr 2005236636
May 2005155228
Jun 2005133148
Jul 200594624
Aug 2005103918
Sep 2005163833
Oct 2005314420
Nov 2005408036
Dec 2005174116
Jan 2006104426
Feb 2006134022
Mar 2006143525
Apr 2006253523
May 2006223823
Jun 2006142121
Jul 2006102620
Aug 200614246
Sep 2006284321
Oct 2006285036
Nov 2006438042
Dec 2006273619
Jan 2007193321
Feb 2007363331
Mar 2007336642
Apr 2007521915
May 2007681723
Jun 2007361920
Jul 2007272620
Aug 20073219
Sep 20072889
Oct 200741712
Nov 200756119
Dec 20072368
Jan 200823711
Feb 200822108
Mar 2008291112
Apr 2008671718
May 200840514
Jun 20082594
Jul 20083668
Aug 20082355
Sep 200837310
Oct 200838815
Nov 2008341311
Dec 20082888
Jan 20093552
Feb 20094275
Mar 200948711
Apr 200952913
May 20094639
Jun 2009291111
Jul 20091600
Aug 200928510
Sep 200931109
Oct 200941139
Nov 200952811
Dec 20093766
Jan 20102078
Feb 20104041
Mar 201034112
Apr 201038118
May 201019910
Jun 20101397
Jul 20103212
Aug 20101624
Sep 20103411
Oct 20103866
Nov 20104965
Dec 20102365
Jan 20111711
Feb 20111952
Mar 201131513
Apr 20112797
May 20112735
Jun 20113622
Jul 20114125
Aug 20113568
Sep 201131214
Oct 20115558
Nov 201146145
Dec 201136138
Jan 201235511
Feb 2012382011
Mar 20122775
Apr 201230178
May 2012302312
Jun 2012361713
Jul 201231118
Aug 2012271810
Sep 201255815
Oct 2012652315
Nov 2012602921
Dec 2012471718
Jan 2013621910
Feb 2013481816
Mar 2013462317
Apr 2013532425
May 2013741820
Jun 2013291114
Jul 201325199
Aug 20131714
Sep 20133624
Oct 201357719
Nov 201343116
Dec 201327714
Jan 201427118
Feb 2014241010
Mar 2014301019
Apr 2014371940
May 201436821
Jun 2014241111
Jul 20141792
Aug 20142076
Sep 2014411318
Oct 2014351210
Nov 2014381712
Dec 20142338
Jan 20152336
Feb 201523511
Mar 201537176
Apr 201528167
May 20152384
Jun 201523128
Jul 20151778
Aug 20151284
Sep 2015341410
Oct 20151952
Nov 2015281611
Dec 201516157
Jan 2016171212
Feb 201627174
Mar 2016382210
Apr 201639157
May 20161896
Jun 201625112
Jul 201628154
Aug 20167101
Sep 20163146
Oct 2016321313
Nov 20162985
Dec 20162385
Jan 20172785
Feb 201722119
Mar 201719126
Apr 201714126
May 201710146
Jun 2017595
Jul 201722176
Aug 201727117
Sep 2017352311
Oct 2017552111
Nov 2017522810
Dec 201723156
Jan 201845214
Feb 201851297
Mar 201846307
Apr 2018552916
May 201851346
Jun 201836263
Jul 2018382014
Aug 201831114
Sep 2018321612
Oct 2018592916
Nov 2018806417
Dec 20181041049
Jan 201996785
Feb 2019107736
Mar 2019694115
Apr 2019502812
May 201929226
Jun 2019281610
Jul 2019583614
Aug 2019241711
Sep 201974458
Oct 20191116116
Nov 2019765312
Dec 201951297
Jan 202040287
Feb 202037253
Mar 202035233
Apr 2020685013
May 202061269
Jun 2020311715
Jul 2020381610
Aug 202043337
Sep 2020823820
Total746354442737