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Papers And Originals

Efficacy of Pertussis Vaccines: A Brighter Horizon

Br Med J 1972; 3 doi: https://doi.org/10.1136/bmj.3.5824.448 (Published 19 August 1972) Cite this as: Br Med J 1972;3:448

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 2018101
Feb 2018300
Mar 2018102
Apr 2018600
May 2018704
Jun 2018602
Jul 2018201
Aug 2018101
Sep 2018101
Oct 2018202
Nov 2018102
Dec 2018106
Jan 2019204
Feb 2019108
Mar 20192014
Apr 2019408
May 20193015
Jun 2019006
Jul 2019706
Aug 2019406
Oct 2019405
Nov 2019103
Dec 2019101
Jan 2020400
Feb 2020106
Mar 2020608
May 2020106
Jun 2020202
Jul 2020200
Aug 2020307
Sep 2020301
Oct 2020304
Nov 2020303
Dec 2020303
Jan 2021506
Feb 2021504
Mar 2021203
Apr 2021505
May 2021304
Jun 2021301
Jul 2021303
Aug 2021204
Sep 2021205
Oct 20214019
Nov 20218020
Dec 2021305
Jan 2022402
Feb 2022206
Mar 2022203
Apr 2022304
May 20226014
Jun 2022107
Jul 2022401
Aug 2022502
Sep 20222013
Oct 20222011
Nov 2022203
Dec 2022404
Jan 2023102
Feb 20231800
Mar 2023200
Apr 2023409
May 2023004
Jun 2023002
Jul 2023204
Aug 2023206
Sep 2023500
Oct 2023404
Nov 2023202
Dec 2023303
Jan 2024902
Feb 2024705
Mar 20241015
Total2340345