Table 1 Methods and duration of CFR usage.
Methods | Mercury poisoning | Lead poisoning | Arsenic poisoning | Mixed heavy metal poisoning | ||||
|---|---|---|---|---|---|---|---|---|
Cases | Duration | Cases | Duration | Cases | Duration | Cases | Duration | |
FI | 2 | 7 d–2 m | 1 | 5 d | 0 | – | 0 | – |
SA | 6 | 32 d–14 m | 0 | – | 10 | 7 d–2 y | 0 | – |
OA | 30 | 10 d–8 m | 13 | 2 m–2.5 y | 4 | 20 d–1 y | 1 | 45 d |
FI + OA | 2 | 22 d–3 m | 0 | – | 0 | – | 0 | – |
SA + OA | 3 | 1 m–3 y | 3 | 2 m–6 m | 7 | 5 m–17 m | 3 | 1 m–4 m |
FI + SA + OA | 1 | 18 d | 0 | – | 0 | – | 0 | – |
