Intended for healthcare professionals

Research Article

Fixed performance oxygen masks: an evaluation.

Br Med J (Clin Res Ed) 1984; 288 doi: https://doi.org/10.1136/bmj.288.6426.1261 (Published 28 April 1984) Cite this as: Br Med J (Clin Res Ed) 1984;288:1261

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: January 2009 to July 2022

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AbstractFullPdf
Jan 2009200
Feb 2009602
Mar 2009900
Apr 20091107
May 2009905
Jun 2009504
Jul 2009705
Aug 2009802
Sep 2009901
Oct 20091302
Nov 20091003
Dec 2009502
Jan 20102800
Feb 20102003
Mar 20101602
Apr 20101302
May 20101701
Jun 20102907
Jul 20101502
Aug 20101107
Sep 20102603
Oct 20102704
Nov 20101906
Dec 2010902
Jan 20111603
Feb 20111304
Mar 20112205
Apr 2011601
May 2011402
Jun 2011500
Jul 2011012
Aug 2011204
Sep 2011302
Oct 2011301
Nov 2011403
Dec 2011502
Jan 2012701
Feb 2012701
Mar 2012402
Apr 2012401
May 20121401
Jun 2012602
Jul 2012101
Aug 2012401
Sep 2012703
Oct 2012600
Nov 2012300
Dec 2012300
Mar 2013100
May 2013100
Aug 2013100
Oct 2013300
Dec 2013200
Jan 2014100
Feb 2014200
Mar 2014100
Apr 2014504
May 2014200
Jul 2014004
Aug 2014100
Nov 2014001
Feb 2015200
Mar 20152010
Apr 2015402
May 2015102
Jun 2015104
Jul 2015300
Aug 2015102
Sep 2015101
Oct 2015402
Dec 20151305
Jan 2016303
Feb 2016001
Mar 2016202
Apr 2016101
May 2016300
Jun 2016105
Jul 2016201
Aug 2016300
Sep 20162012
Oct 2016402
Nov 2016100
Dec 2016202
Jan 2017802
Feb 2017803
Mar 2017500
Apr 2017300
May 2017406
Jun 2017703
Jul 2017501
Aug 20171003
Sep 2017601
Oct 2017300
Nov 2017100
Jan 2018201
Feb 2018400
Mar 2018502
Apr 2018201
May 2018805
Jun 20181001
Jul 2018705
Aug 2018800
Sep 2018400
Oct 2018200
Nov 2018302
Dec 2018003
Jan 2019202
Feb 2019302
Mar 2019605
Apr 2019404
May 2019703
Jun 2019103
Jul 2019305
Aug 20196014
Sep 2019104
Oct 2019203
Nov 2019303
Dec 2019300
Jan 2020603
Feb 2020603
Mar 2020206
Apr 2020405
May 20202010
Jun 2020501
Jul 20201405
Aug 2020502
Sep 2020706
Oct 2020302
Nov 20206010
Dec 2020809
Jan 20211107
Feb 2021204
Mar 20211309
Apr 2021707
May 2021808
Jun 2021207
Jul 2021607
Aug 20211107
Sep 2021208
Oct 202113022
Nov 20211019
Dec 2021608
Jan 2022809
Feb 202213016
Mar 20226010
Apr 2022507
May 202224021
Jun 2022209
Jul 2022002
Total9131516