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| Nickel | |
|---|---|
| Search terms | SEARCH BY CAS NUMBER: 7440‐02‐0 REFINED FOR: adverse effect YEARS: 2013–2019 |
| Nickel sulfate | |
| Search terms | SEARCH BY CAS NUMBER: 7786‐81‐4/10101‐97‐0/10101‐98‐1 REFINED FOR: adverse effect YEARS: 2013–2019 |
| Nickel chloride | |
| Search terms | SEARCH BY CAS NUMBER: 7718‐54‐9 REFINED FOR: adverse effect YEARS: 2013 to 2019 |
After removal of all duplicates, 6,469 papers were screened for relevance based on title and abstract.
