Smoking duration alone provides stronger risk estimates of chronic obstructive pulmonary disease than pack-years | Thorax

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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

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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