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Volume 62, Issue 11
A prospective cohort study among new Chinese coal miners: the early pattern of lung function change
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Original article
A prospective cohort study among new Chinese coal miners: the early pattern of lung function change
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Abstract
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Oct 2005
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Nov 2005
24
45
18
Dec 2005
14
28
16
Jan 2006
23
9
7
Feb 2006
17
7
8
Mar 2006
16
10
6
Apr 2006
9
6
4
May 2006
16
10
1
Jun 2006
9
9
6
Jul 2006
8
9
6
Aug 2006
8
5
3
Sep 2006
8
6
5
Oct 2006
23
12
4
Nov 2006
7
49
22
Dec 2006
9
21
11
Jan 2007
10
30
20
Feb 2007
1
30
12
Mar 2007
5
35
9
Apr 2007
19
7
7
May 2007
16
4
7
Jun 2007
8
1
2
Jul 2007
7
9
7
Aug 2007
8
7
3
Sep 2007
12
14
7
Oct 2007
13
3
6
Nov 2007
18
12
6
Dec 2007
5
6
10
Jan 2008
9
4
2
Feb 2008
8
11
8
Mar 2008
21
7
2
Apr 2008
8
9
6
May 2008
14
13
5
Jun 2008
5
3
1
Jul 2008
4
2
3
Aug 2008
12
5
2
Sep 2008
7
1
0
Oct 2008
8
8
5
Nov 2008
9
4
5
Dec 2008
5
4
2
Jan 2009
9
0
0
Feb 2009
10
3
2
Mar 2009
10
3
5
Apr 2009
10
5
11
May 2009
14
10
1
Jun 2009
6
2
0
Jul 2009
8
4
1
Aug 2009
4
2
0
Sep 2009
4
1
0
Oct 2009
10
7
6
Nov 2009
14
2
1
Dec 2009
17
2
0
Jan 2010
12
1
4
Feb 2010
5
3
1
Mar 2010
7
0
5
Apr 2010
10
2
3
May 2010
5
1
2
Jun 2010
10
3
3
Jul 2010
10
3
6
Aug 2010
16
3
2
Sep 2010
20
5
5
Oct 2010
16
1
0
Nov 2010
10
6
1
Dec 2010
11
9
6
Jan 2011
11
2
2
Feb 2011
21
3
2
Mar 2011
12
3
3
Apr 2011
8
4
3
May 2011
14
0
2
Jun 2011
15
9
4
Jul 2011
9
0
0
Aug 2011
5
0
0
Sep 2011
16
1
2
Oct 2011
19
0
0
Nov 2011
18
7
2
Dec 2011
7
23
3
Jan 2012
12
16
5
Feb 2012
6
15
4
Mar 2012
11
12
6
Apr 2012
10
9
2
May 2012
4
15
5
Jun 2012
9
11
3
Jul 2012
4
15
7
Aug 2012
6
6
3
Sep 2012
6
10
8
Oct 2012
11
36
6
Nov 2012
10
7
6
Dec 2012
9
12
6
Jan 2013
20
25
7
Feb 2013
7
6
3
Mar 2013
12
26
4
Apr 2013
16
21
6
May 2013
5
11
2
Jun 2013
2
5
3
Jul 2013
7
6
7
Aug 2013
7
13
5
Sep 2013
11
11
6
Oct 2013
5
14
3
Nov 2013
8
12
5
Dec 2013
2
10
6
Jan 2014
5
12
15
Feb 2014
10
10
2
Mar 2014
10
7
3
Apr 2014
15
11
4
May 2014
10
11
4
Jun 2014
8
17
6
Jul 2014
8
17
4
Aug 2014
0
13
2
Sep 2014
8
15
6
Oct 2014
3
12
1
Nov 2014
1
7
3
Dec 2014
1
3
3
Jan 2015
0
9
2
Feb 2015
4
3
5
Mar 2015
8
10
3
Apr 2015
3
9
4
May 2015
2
15
5
Jun 2015
3
8
7
Jul 2015
12
4
15
Aug 2015
0
4
3
Sep 2015
9
10
5
Oct 2015
1
4
0
Nov 2015
2
2
1
Dec 2015
6
11
15
Jan 2016
18
8
7
Feb 2016
9
7
5
Mar 2016
7
4
5
Apr 2016
2
6
5
May 2016
9
7
3
Jun 2016
4
10
4
Jul 2016
8
10
5
Aug 2016
4
4
1
Sep 2016
12
6
3
Oct 2016
8
9
5
Nov 2016
8
9
0
Dec 2016
14
12
3
Jan 2017
10
13
5
Feb 2017
3
2
1
Mar 2017
0
12
1
Apr 2017
1
11
3
May 2017
0
14
2
Jun 2017
2
9
3
Jul 2017
16
15
1
Aug 2017
18
16
1
Sep 2017
18
17
2
Oct 2017
11
11
2
Nov 2017
14
11
0
Dec 2017
16
14
2
Jan 2018
17
13
1
Feb 2018
17
15
1
Mar 2018
25
21
2
Apr 2018
16
16
2
May 2018
13
14
1
Jun 2018
9
9
2
Jul 2018
15
15
3
Aug 2018
9
9
1
Sep 2018
16
12
11
Oct 2018
10
10
4
Nov 2018
17
17
7
Dec 2018
18
15
5
Jan 2019
12
10
1
Feb 2019
9
8
3
Mar 2019
14
11
8
Apr 2019
16
11
8
May 2019
7
5
3
Jun 2019
20
20
3
Jul 2019
7
8
2
Aug 2019
16
14
4
Sep 2019
6
4
1
Oct 2019
8
8
1
Nov 2019
7
7
4
Dec 2019
18
18
3
Jan 2020
8
4
3
Feb 2020
7
5
3
Mar 2020
10
4
7
Apr 2020
12
2
2
May 2020
10
6
3
Jun 2020
9
9
0
Jul 2020
10
8
1
Aug 2020
14
6
7
Sep 2020
13
11
3
Oct 2020
9
9
3
Nov 2020
9
7
3
Dec 2020
10
10
3
Jan 2021
7
7
2
Feb 2021
6
4
1
Mar 2021
8
6
2
Apr 2021
6
6
3
May 2021
6
6
1
Jun 2021
2
2
2
Jul 2021
3
3
3
Aug 2021
6
5
5
Sep 2021
3
3
0
Oct 2021
6
6
1
Nov 2021
9
7
6
Dec 2021
8
8
5
Jan 2022
12
8
7
Feb 2022
5
5
0
Mar 2022
11
11
1
Apr 2022
19
15
1
May 2022
25
21
1
Jun 2022
26
22
2
Jul 2022
8
8
1
Aug 2022
21
20
4
Sep 2022
22
20
3
Oct 2022
27
27
3
Nov 2022
15
10
3
Dec 2022
6
6
0
Jan 2023
5
5
0
Feb 2023
38
34
2
Total
2158
2069
872
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