Intended for healthcare professionals

Papers

Secular trend in the occurrence of asthma among children and young adults: critical appraisal of repeated cross sectional surveys

BMJ 1997; 314 doi: https://doi.org/10.1136/bmj.314.7097.1795 (Published 21 June 1997) Cite this as: BMJ 1997;314:1795

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 201801220
Feb 20180330
Mar 20180450
Apr 20180500
May 20180370
Jun 20180240
Jul 20180230
Aug 20180350
Sep 20180260
Oct 20180290
Nov 20181730
Dec 20180520
Jan 20190410
Feb 20190390
Mar 20191390
Apr 20190260
May 20191280
Jun 20190260
Jul 20190460
Aug 20190590
Oct 20190430
Nov 20190760
Dec 20191440
Jan 20200230
Feb 20200400
Mar 20200270
May 20200290
Jun 20200370
Jul 20200280
Aug 2020070
Sep 202061440
Oct 20201990
Nov 20200760
Dec 20201540
Jan 20210320
Feb 20210230
Mar 202121250
Apr 20210280
May 20210370
Jun 20211270
Jul 20210240
Aug 20210280
Sep 202141130
Oct 20211430
Nov 20211450
Dec 20210450
Jan 20220330
Feb 20220170
Mar 20220380
Apr 20220220
May 20220350
Jun 20221490
Jul 20220300
Aug 20222410
Sep 20220350
Oct 20220950
Nov 20221670
Dec 20220400
Jan 20230550
Feb 20230360
Mar 20230440
Apr 20230450
May 20231170
Jun 20230200
Jul 2023060
Aug 20231370
Sep 20230300
Oct 20230400
Nov 202301080
Dec 202301250
Jan 202401340
Feb 20242860
Mar 20240640
Apr 20243150
Total3235140