https://www.ncbi.nlm.nih.gov/snp)
dbSNP (The database of single nucleotide polymorphisms (SNPs) and multiple small-scale variations that include insertions/deletions, microsatellites, and non-polymorphic variants.
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directory layout
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βββ specs # dbSNP Design and Schema Specifications
βββ tutorials # Scripts and tutorials for using dbSNP data
βββ README.md