1     Lead/                                                              9561
2     Lead 203/                                                            17
3     Lead 210/                                                           291
4     Lead 212/                                                            67
5     Lead acetate/                                                       347
6     Lead blood level/                                                  1614
7     Lead chloride/                                                       28
8     Lead chromate/                                                       32
9     Lead nitrate/                                                       143
10    Lead oxide/                                                          63
11    Lead poisoning/                                                    2237
12    7439-92-1.rn.                                                      9342
13    Tetraethyl lead/                                                     33
14    (lead adj level:).mp.                                              2682
15    (blood adj lead).mp.                                               2487
16    (lead adj assay:).mp.                                               189
17    (lead adj5 expos:).mp.                                             4085
18    (lead adj5 toxic:).mp.                                             1894
19    (lead adj contaminat:).mp.                                          942
20    (lead adj ion:).mp.                                                 720
21    "Pb:".mp.                                                         31958
22    78-00-2.rn.                                                          32
23    or/1-22                                                           40886
24    exp Tooth demineralization/                                        7492
25    demineralization.mp.                                                879
26    caries.mp.                                                         1798
27    caires.mp.                                                            0
28    craies.mp.                                                            0
29    careis.mp.                                                            1
30    carise.mp.                                                            0
31    (teeth adj3 cavit:).mp.                                              32
32    (tooth adj3 cavit:).mp.                                              97
33    (dental adj3 cavit:).mp.                                             85
34    (dentin adj3 cavit:).mp.                                             19
35    (enamel adj3 cavit:).mp.                                             10
36    (teeth adj3 decay:).mp.                                              58
37    (tooth adj3 decay:).mp.                                              58
38    (dental adj3 decay:).mp.                                             47
39    (dentin adj3 decay:).mp.                                              0
40    (enamel adj3 decay:).mp.                                              1
41    (active adj decay).mp.                                                5
42    (rampant adj3 decay:).mp.                                             4
43    (recurrent adj3 decay:).mp.                                           5
44    (white adj spot:).mp.                                               231
45    carious.mp.                                                         109
46    cariology.ti,ab.                                                      2
47    (non-cavitated adj3 lesion:).mp.                                      0
48    (noncavitated adj3 lesion:).mp.                                       1
49    Tooth remineralization/                                             788
50    (dental adj3 fissure:).mp.                                           14
51    (tooth adj3 fissure:).mp.                                             8
52    (teeth adj3 fissure:).mp.                                             1
53    caries-free.mp.                                                      29
54    cariesfree.mp.                                                        0
55    Cariogenic agents/                                                    3
56    precavit:.mp.                                                         2
57    (filled adj3 teeth).mp.                                              45
58    (filled adj3 tooth).mp.                                               9
59    (oral adj fissure:).mp.                                              17
60    (tooth adj3 remineraliz:).mp.                                         1
61    (teeth adj3 remineraliz:).mp.                                         5
62    dft.mp.                                                             542
63    dfs.mp.                                                             980
64    dmf:.mp.                                                           1235
65    cariogeni:.mp.                                                      164
66    or/24-65                                                          12313
67    23 and 66                                                           137
68    limit 67 to human                                                   100
69    from 68 keep 1-100                                                  100
70    67 not 68                                                            37
71    from 70 keep 1-37                                                    37