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No evidence of documented lung disease or abnormal PFTs.
| Subject number | Age of subject at collection | Ethnicity |
|---|---|---|
| D8 | 66 | Caucasian |
| D9 | 70 | Caucasian |
| D12 | 77 | Caucasian |
| D28 | 77 | Caucasian |
| D31 | 55 | Caucasian |
| D32 | 73 | Caucasian |
| D38 | 72 | Caucasian |
| D41 | 65 | Caucasian |
| D50 | 75 | Caucasian |
| D101 | 57 | Caucasian |
