| Historic (1865-12-01 to
2009-12-20) |
| Rank |
Entity Name |
Count |
Score |
Coref./Ref. |
| 1 |
NNK
|
825 |
7455.7 |
  |
| 2 |
carcinogen
|
262 |
2470.4 |
  |
| 3 |
N'-nitrosonornicotine
|
137 |
1580.1 |
  |
| 4 |
A/J
|
132 |
1387.9 |
  |
| 5 |
NNN
|
120 |
1258.1 |
  |
| 6 |
1-butanol
|
94 |
1089.8 |
  |
| 7 |
mice
|
179 |
997.4 |
  |
| 8 |
DNA
|
155 |
894.6 |
  |
| 9 |
NNAL
|
76 |
840.9 |
  |
| 10 |
N-methyl-N-nitrosamino
|
54 |
681.5 |
  |
| 11 |
tumorigenesis
|
66 |
662.1 |
  |
| 12 |
rats
|
127 |
654.6 |
  |
| 13 |
Methylnitrosamino
|
50 |
626.5 |
  |
| 14 |
F344
|
53 |
576.0 |
  |
| 15 |
tumors
|
80 |
513.9 |
  |
|
| 10 years (1999-12-23 to
2009-12-20) |
| Rank |
Entity Name |
Count |
Score |
Coref./Ref. |
| 1 |
NNK
|
377 |
3503.0 |
  |
| 2 |
carcinogen
|
152 |
1502.2 |
  |
| 3 |
A/J
|
55 |
625.1 |
  |
| 4 |
1-butanol
|
51 |
605.7 |
  |
| 5 |
NNAL
|
48 |
522.6 |
  |
| 6 |
mice
|
80 |
456.4 |
  |
| 7 |
N'-nitrosonornicotine
|
31 |
390.7 |
  |
| 8 |
DNA
|
54 |
375.6 |
  |
| 9 |
tumorigenesis
|
35 |
361.2 |
  |
| 10 |
NNN
|
31 |
351.4 |
  |
| 11 |
Methylnitrosamino
|
26 |
327.7 |
  |
| 12 |
cancer
|
40 |
236.2 |
  |
| 13 |
P450
|
19 |
203.4 |
  |
| 14 |
rats
|
25 |
182.1 |
  |
| 15 |
carcinogenesis
|
18 |
178.9 |
  |
|
| 365 days (2008-12-20 to
2009-12-20) |
| Rank |
Entity Name |
Count |
Score |
Coref./Ref. |
| 1 |
NNK
|
27 |
242.9 |
  |
| 2 |
carcinogen
|
10 |
103.6 |
  |
| 3 |
1-butanol
|
6 |
66.8 |
  |
| 4 |
NNAL
|
5 |
49.7 |
  |
| 5 |
NNN
|
4 |
43.5 |
  |
| 6 |
N'-nitrosonornicotine
|
3 |
37.5 |
  |
| 7 |
Methylnitrosamino
|
3 |
34.2 |
  |
| 8 |
cancer
|
6 |
32.0 |
  |
| 9 |
DNA
|
6 |
27.1 |
  |
| 10 |
A/J
|
2 |
25.8 |
  |
| 11 |
F344
|
2 |
25.8 |
  |
| 12 |
NKK
|
2 |
25.8 |
  |
| 13 |
Tobacco-specific
|
2 |
25.8 |
  |
| 14 |
mice
|
5 |
25.8 |
  |
| 15 |
Nitrosation
|
2 |
25.0 |
  |
|