Intended for healthcare professionals

Clinical Review Science, medicine, and the future

Microbubble contrast agents: a new era in ultrasound

BMJ 2001; 322 doi: https://doi.org/10.1136/bmj.322.7296.1222 (Published 19 May 2001) Cite this as: BMJ 2001;322:1222

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: July 2003 to January 2021

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AbstractFullPdf
Jul 2003013545
Aug 2003010630
Sep 2003011423
Oct 2003016571
Nov 2003017174
Dec 2003011848
Jan 2004111568
Feb 2004116282
Mar 2004015654
Apr 2004014468
May 2004017961
Jun 2004415447
Jul 2004414938
Aug 2004017157
Sep 20041017024
Oct 2004717228
Nov 20041018544
Dec 20043413522
Jan 20052515540
Feb 20051314551
Mar 20051710846
Apr 2005914345
May 20051514143
Jun 2005210938
Jul 200516637
Aug 20051315547
Sep 2005716054
Oct 2005813439
Nov 20051210550
Dec 2005210135
Jan 200607333
Feb 2006810027
Mar 20061515448
Apr 20061010429
May 2006910730
Jun 200699342
Jul 200668220
Aug 2006119526
Sep 20061213650
Oct 20062520759
Nov 20061718347
Dec 200699538
Jan 2007910032
Feb 20071812439
Mar 2007916949
Apr 20071717350
May 2007311632
Jun 20071012435
Jul 200787222
Aug 20071610736
Sep 20071516128
Oct 20071221048
Nov 20071914736
Dec 20071817939
Jan 2008915733
Feb 20082117027
Mar 20082316739
Apr 20082117535
May 20081220040
Jun 2008619833
Jul 2008320225
Aug 20081120526
Sep 20082220144
Oct 20081925842
Nov 20083524443
Dec 20082818232
Jan 2009948127
Feb 20091487626
Mar 200912411846
Apr 2009707521
May 2009749622
Jun 2009538615
Jul 200953508
Aug 2009436214
Sep 200940387
Oct 2009733915
Nov 2009726610
Dec 2009458315
Jan 2010736615
Feb 2010597916
Mar 2010928025
Apr 2010977633
May 20101215225
Jun 2010946116
Jul 2010923410
Aug 2010854414
Sep 20101686213
Oct 20101584119
Nov 20103978722
Dec 20103006021
Jan 20112745612
Feb 20114757717
Mar 20117048929
Apr 20113796924
May 20113136519
Jun 20113005913
Jul 20111668225
Aug 20114318720
Sep 20115518814
Oct 20116021433
Nov 20112820837
Dec 2011033523
Jan 201228915118
Feb 2012200807
Mar 20121136620
Apr 2012944815
May 201253368
Jun 201242229
Jul 201251286
Aug 201257287
Sep 2012503210
Oct 201294369
Nov 2012986020
Dec 201271348
Jan 201354212
Feb 201332346
Mar 201347217
Apr 201366344
May 2013953010
Jun 201373284
Jul 201380187
Aug 201351236
Sep 201367277
Oct 20131707121
Nov 20132017721
Dec 2013159332
Jan 2014100327
Feb 2014113388
Mar 2014142528
Apr 20141766921
May 2014128356
Jun 2014844916
Jul 2014013930
Aug 201470163
Sep 20144142
Oct 20141940
Nov 201427101
Dec 201429354
Jan 201549172
Feb 20155661
Mar 201543246
Apr 201551287
May 201578429
Jun 201537121
Jul 20152092
Aug 20152553
Sep 20154892
Oct 201573151
Nov 201578111
Dec 201546122
Jan 20163061
Feb 201638123
Mar 201663105
Apr 20162684
May 20164262
Jun 20162871
Jul 20162830
Aug 20164392
Sep 20164262
Oct 201625142
Nov 20164774
Dec 201626225
Jan 20172662
Feb 201737165
Mar 201738177
Apr 20174530
May 20177084
Jun 20174693
Jul 20174294
Aug 201752142
Sep 20172872
Oct 20174763
Nov 20173980
Dec 20174341
Jan 201841123
Feb 201829124
Mar 20183851
Apr 20184092
May 20183371
Jun 201843121
Jul 20184530
Aug 20181450
Sep 20183923
Oct 201839123
Nov 201859172
Dec 201862122
Jan 20194760
Feb 20194990
Mar 2019138194
Apr 2019168154
May 2019125186
Jun 2019104183
Jul 201916982
Aug 2019214151
Sep 2019243234
Oct 2019225252
Nov 2019193161
Dec 201990304
Jan 202038163
Feb 20205271
Mar 20202540
Apr 20206141
May 2020135101
Jun 20203480
Jul 20206273
Aug 20203272
Sep 202098103
Oct 202014572
Nov 2020102113
Dec 202066160
Jan 20217542
Total14075152833959