The variant cross-reference web service looks up cross-references for variants. The WSDL for this service is available here.
getXrefs ( dbSNP rs # (string) ) getXrefs ( chromosome (int), Golden Path position (int) ) getXrefsByGeneSymbol ( gene symbol (string) )
array of: [ dbSNP rs #, chromosome, Golden Path position, gene symbol, ALFRED SNPs Id, jSNP Id, Seattle SNPs id, Is HapMap SNP, Is Affymetrix SNP, Is Illumina SNP ]