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Volume 76, Issue 7
Continued increase in prevalence of r-type opacities among underground coal miners in the USA
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Short report
Continued increase in prevalence of r-type opacities among underground coal miners in the USA
Free
Online download statistics by month:
Online download statistics by month: April 2019 to April 2023
Abstract
Full
Pdf
Apr 2019
381
31
20
May 2019
595
47
25
Jun 2019
418
214
38
Jul 2019
113
110
29
Aug 2019
71
68
17
Sep 2019
70
66
18
Oct 2019
97
90
19
Nov 2019
96
92
24
Dec 2019
72
67
13
Jan 2020
41
40
3
Feb 2020
48
43
11
Mar 2020
47
40
13
Apr 2020
64
61
17
May 2020
306
302
10
Jun 2020
24
19
12
Jul 2020
53
49
14
Aug 2020
16
14
3
Sep 2020
63
54
18
Oct 2020
59
50
67
Nov 2020
35
33
6
Dec 2020
44
43
10
Jan 2021
18
18
8
Feb 2021
26
26
10
Mar 2021
38
33
15
Apr 2021
32
29
8
May 2021
30
29
11
Jun 2021
20
18
6
Jul 2021
29
27
14
Aug 2021
22
21
2
Sep 2021
22
21
13
Oct 2021
35
32
21
Nov 2021
33
29
17
Dec 2021
28
21
8
Jan 2022
26
20
9
Feb 2022
49
46
7
Mar 2022
57
53
16
Apr 2022
35
31
7
May 2022
37
33
13
Jun 2022
55
53
11
Jul 2022
33
28
4
Aug 2022
49
46
6
Sep 2022
46
42
16
Oct 2022
48
32
14
Nov 2022
26
23
12
Dec 2022
26
21
5
Jan 2023
22
21
14
Feb 2023
31
22
11
Mar 2023
23
19
5
Apr 2023
22
19
8
Total
3631
2346
678
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