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Volume 73, Issue 5
Smoking duration alone provides stronger risk estimates of chronic obstructive pulmonary disease than pack-years
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Chronic obstructive pulmonary disease
Original article
Smoking duration alone provides stronger risk estimates of chronic obstructive pulmonary disease than pack-years
Free
Online download statistics by month:
Online download statistics by month: January 2018 to March 2021
Abstract
Full
Pdf
Jan 2018
5506
214
123
Feb 2018
790
72
48
Mar 2018
490
70
41
Apr 2018
1185
985
251
May 2018
2106
1967
469
Jun 2018
838
674
192
Jul 2018
766
505
133
Aug 2018
602
415
87
Sep 2018
631
334
225
Oct 2018
599
278
221
Nov 2018
350
335
205
Dec 2018
291
296
170
Jan 2019
323
324
397
Feb 2019
305
299
445
Mar 2019
404
408
505
Apr 2019
496
496
550
May 2019
499
498
467
Jun 2019
395
395
469
Jul 2019
451
443
408
Aug 2019
491
481
251
Sep 2019
470
463
340
Oct 2019
644
626
126
Nov 2019
615
588
76
Dec 2019
505
493
60
Jan 2020
633
622
79
Feb 2020
480
464
80
Mar 2020
485
469
108
Apr 2020
384
373
80
May 2020
369
358
62
Jun 2020
340
330
95
Jul 2020
376
362
69
Aug 2020
318
298
35
Sep 2020
348
302
45
Oct 2020
322
286
65
Nov 2020
327
293
71
Dec 2020
334
319
51
Jan 2021
349
323
79
Feb 2021
419
398
76
Mar 2021
436
389
130
Total
25672
17245
7384
Read the full text or download the PDF:
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