Intended for healthcare professionals

Research Article

The natural history of chronic airflow obstruction.

Br Med J 1977; 1 doi: https://doi.org/10.1136/bmj.1.6077.1645 (Published 25 June 1977) Cite this as: Br Med J 1977;1:1645

Article usage

Article metrics provide readers and authors with an indication of how often a specific article has been accessed month by month. It counts three formats - abstract/extract, full text and pdf. The page is updated each day.

Usage statistics: February 2009 to July 2019

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AbstractFullPdf
Feb 200912017
Mar 200969040
Apr 200989043
May 2009103043
Jun 200968052
Jul 2009122046
Aug 2009100059
Sep 2009121064
Oct 2009154070
Nov 2009179078
Dec 2009114041
Jan 2010138070
Feb 2010146054
Mar 2010167080
Apr 2010167056
May 2010144052
Jun 2010146056
Jul 2010142067
Aug 2010138045
Sep 2010156059
Oct 2010161143
Nov 2010168447
Dec 201093335
Jan 2011124144
Feb 2011149239
Mar 2011170054
Apr 2011153045
May 2011170158
Jun 2011118044
Jul 2011106036
Aug 2011101075
Sep 2011132664
Oct 2011144169
Nov 2011207060
Dec 2011138062
Jan 2012149062
Feb 20121350121
Mar 2012142098
Apr 2012171055
May 2012136053
Jun 2012143046
Jul 2012126045
Aug 2012131044
Sep 2012119043
Oct 2012115036
Nov 2012199064
Dec 201252018
Jan 201382020
Feb 201358016
Mar 201376015
Apr 201389033
May 2013108036
Jun 2013116036
Jul 201363021
Aug 201372025
Sep 201381037
Oct 201397031
Nov 2013130038
Dec 201371032
Jan 201483015
Feb 2014112040
Mar 201499044
Apr 201489024
May 2014121037
Jun 2014100022
Jul 201494026
Aug 201469047
Sep 201459026
Oct 201447015
Nov 201471054
Dec 2014120064
Jan 201583065
Feb 2015111075
Mar 20151570116
Apr 2015153093
May 2015123080
Jun 201590047
Jul 201588051
Aug 201598054
Sep 2015132040
Oct 2015160054
Nov 2015196043
Dec 2015156032
Jan 2016205048
Feb 2016135028
Mar 2016160061
Apr 2016145061
May 2016280049
Jun 2016135052
Jul 2016109070
Aug 2016156038
Sep 2016138045
Oct 2016156055
Nov 2016203052
Dec 2016123032
Jan 2017130031
Feb 2017146042
Mar 2017198067
Apr 2017195055
May 2017164033
Jun 2017146041
Jul 2017164045
Aug 2017169045
Sep 2017154050
Oct 2017156060
Nov 2017214051
Dec 2017137074
Jan 2018137048
Feb 2018159044
Mar 2018152056
Apr 2018170044
May 2018183071
Jun 2018164051
Jul 2018165037
Aug 2018213041
Sep 2018218049
Oct 2018232060
Nov 2018253076
Dec 2018160037
Jan 2019155046
Feb 2019165055
Mar 2019245067
Apr 2019151057
May 2019162056
Jun 2019120039
Jul 201988027
Total17091196202