| Variation | | Type (Consequence) | Condition | Classification, Review status |
|---|
| | | Single nucleotide variant (intron variant) | not specified +3 more | |
| | CHRNA4, LOC100130587 (G5S) | Single nucleotide variant (missense variant +2 more) | Tobacco addiction, susceptibility to +2 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (synonymous variant +2 more) | not specified +5 more | |
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