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Letters

Perhaps it is not time to switch from whole cell to acellular pertussis vaccine

BMJ 2000; 321 doi: https://doi.org/10.1136/bmj.321.7258.451/b (Published 12 August 2000) Cite this as: BMJ 2000;321:451

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 March 2024

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AbstractFullPdf
Jan 2018200
Feb 2018100
Apr 2018010
May 2018100
Jun 2018500
Jul 2018400
Nov 2018210
Dec 2018300
Jan 2019010
Feb 2019500
Mar 2019110
May 2019320
Jun 2019200
Jul 2019200
Aug 2019200
Oct 2019100
Dec 2019100
Jan 2020200
Feb 2020410
Mar 2020100
May 20204620
Jun 2020300
Jul 2020100
Sep 20204350
Oct 2020310
Nov 2020700
Dec 2020800
Jan 2021300
Feb 2021600
Mar 2021100
Apr 2021600
May 2021110
Jun 2021100
Jul 2021400
Aug 2021210
Sep 2021300
Oct 2021400
Nov 2021100
Dec 2021100
Jan 2022100
Feb 2022500
Mar 2022500
Apr 2022100
May 2022200
Jun 2022210
Aug 2022510
Sep 2022100
Oct 2022800
Nov 2022110
Dec 2022200
Jan 2023200
Feb 2023300
Mar 2023100
Apr 2023800
May 2023300
Jun 2023100
Jul 2023200
Aug 2023500
Sep 20231000
Oct 2023810
Nov 2023500
Dec 2023400
Jan 2024700
Feb 2024200
Mar 2024730
Total287240