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| Biological poisons (3) |
| Bureau of Fisheries and Aquatic Resources (BFAR) (3) |
| coastal waters (3) |
| Human food (3) |
| Red tides (3) |
| shellfish (3) |
| Kalibo (2) |
| paralytic shellfish poisoning (2) |
| Roxas (2) |
| Western Samar (2) |