Table 2. Selected articles per topic.
| Regulations | Education & Training | Risk Assessment | Risk Prevention | Accident Analysis | |
|---|---|---|---|---|---|
| Number | 21 | 22 | 101 | 58 | 83 |
| Percentage (%) | 7.4 | 7.7 | 35.4 | 20.4 | 29.1 |
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