Intended for healthcare professionals

Research Article

New regression equations for predicting peak expiratory flow in adults.

British Medical Journal 1989; 298 doi: https://doi.org/10.1136/bmj.298.6680.1068 (Published 22 April 1989) Cite this as: British Medical Journal 1989;298:1068

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 2018 to April 2024

Rendering graph...
AbstractFullPdf
Jan 20182505
Feb 20181507
Mar 201840017
Apr 201866019
May 201847032
Jun 201834010
Jul 20183306
Aug 20182109
Sep 201837011
Oct 20182809
Nov 201828010
Dec 201830015
Jan 201933014
Feb 20192306
Mar 201934012
Apr 201944020
May 20193509
Jun 20191406
Jul 20192206
Aug 201929012
Oct 201932053
Nov 201948065
Dec 2019260673
Jan 202031059
Feb 202033053
Mar 202052087
May 202074034
Jun 202026028
Jul 202027036
Aug 202020030
Sep 202022024
Oct 202063067
Nov 202054032
Dec 202039029
Jan 202154019
Feb 202128015
Mar 202174029
Apr 202174019
May 202158024
Jun 202124017
Jul 202126017
Aug 202183010
Sep 202153024
Oct 202164049
Nov 202142038
Dec 202141013
Jan 202233021
Feb 202249017
Mar 202248019
Apr 202242030
May 202225016
Jun 202237017
Jul 202228010
Aug 202222018
Sep 202242027
Oct 202271024
Nov 202270012
Dec 20226304
Jan 202371020
Feb 202353025
Mar 202343019
Apr 202349013
May 202346019
Jun 202327012
Jul 20232907
Aug 20234409
Sep 202331011
Oct 202356012
Nov 202366016
Dec 20236207
Jan 20244708
Feb 202465012
Mar 202461034
Apr 202435013
Total312102231