| item | description | category | filter | more on... |
| SEGS | Polymorphonuclear Neutrophil | Medical/Physiology |
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| SEGS | Society To Expose Government Secrets | Medical/Hospitals |
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| SEGS | Sovereign Entities Grading Service | Misc/Coins |
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| SEGS | Sustainable Energy Geophysical Surveys | Edu./Geology |
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