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Pulmonary puzzles
I hear the heartbeat, or things that go bump-bump in the night…
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Online download statistics by month: September 2014 to January 2021

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Sep 20141031212
Oct 20141232314
Nov 20141904542
Dec 2014501130
Jan 201541512
Feb 20153157
Mar 20152515
Apr 20151912
May 20152521
Jun 20151622
Jul 20153330
Aug 20151811
Sep 20152722
Oct 20151321
Nov 20152813
Dec 20152900
Jan 20163400
Feb 20161501
Mar 2016800
Apr 2016500
May 20161300
Jun 20162301
Jul 20161300
Aug 2016710
Sep 20161923
Oct 20162120
Nov 2016900
Dec 20161502
Jan 20171810
Feb 20171431
Mar 20171210
Apr 20171320
May 20171211
Jun 20173522
Jul 20172801
Aug 20172312
Sep 20178811
Oct 20172962
Nov 201723111
Dec 201752524
Jan 201820207
Feb 201835332
Mar 201823236
Apr 201820201
May 201834348
Jun 201823230
Jul 201819191
Aug 201816164
Sep 201812126
Oct 201823239
Nov 201819193
Dec 201833297
Jan 201916168
Feb 201915146
Mar 201933335
Apr 2019181812
May 201924244
Jun 2019262711
Jul 201926269
Aug 201921213
Sep 201941413
Oct 2019505011
Nov 201937378
Dec 201962612
Jan 2020727215
Feb 202040393
Mar 202060606
Apr 202066665
May 202042429
Jun 202034349
Jul 202052514
Aug 202045458
Sep 2020797613
Oct 202011211210
Nov 2020979712
Dec 202010510324
Jan 202113313211
Total28831770421