TY - JOUR AU - Sherry, S T; Ward, M H; Kholodov, M TI - dbSNP: the NCBI database of genetic variation JO - Nucleic Acids Res VL - 29 PY - 2001 DO - 10.1093/nar/29.1.308 L3 - PubMed-ID: 11125122 SP - 308 EP - 311 N1 - et al. ER -