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Letters

Asthma trends Causes of wheeze and asthma may differ

BMJ 1994; 309 doi: https://doi.org/10.1136/bmj.309.6954.603 (Published 03 September 1994) Cite this as: BMJ 1994;309:603

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 October 2024

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AbstractFullPdf
Jan 2018600
Feb 2018510
Mar 2018210
Apr 2018300
May 2018700
Jun 2018300
Jul 2018300
Aug 2018400
Sep 2018200
Oct 2018300
Nov 2018010
Dec 2018400
Jan 20191400
Feb 20193210
Mar 20197830
Apr 20191100
May 20191010
Jun 20191010
Jul 2019910
Aug 2019500
Oct 2019010
Nov 2019500
Dec 2019600
Jan 2020610
Feb 2020300
Mar 2020010
May 20202400
Jun 2020200
Jul 20201800
Aug 2020500
Sep 20202100
Oct 20203930
Nov 20202100
Dec 20201210
Jan 20211200
Feb 2021200
Mar 20213400
Apr 2021900
May 2021600
Jun 2021310
Jul 2021910
Aug 2021610
Sep 2021400
Oct 2021600
Nov 2021600
Dec 2021600
Jan 2022100
Feb 2022600
Mar 2022500
Apr 2022100
May 20221100
Jun 2022200
Jul 2022010
Aug 2022520
Sep 2022120
Oct 20222000
Nov 2022610
Dec 2022210
Jan 2023410
Feb 2023400
Apr 2023300
May 2023210
Jun 2023110
Jul 2023210
Aug 2023210
Sep 20231110
Oct 20231020
Nov 2023200
Dec 2023410
Jan 20242020
Feb 2024200
Mar 20241610
Apr 20241600
May 20241840
Jun 20241910
Jul 20242000
Aug 20241940
Sep 20242310
Oct 20241010
Total744500