TY - RPRT TI - Variations on a theme: cataloging human DNA sequence variation. AU - F S Collins AU - M S Guyer AU - A Charkravarti PY - 1997 DO - 10.1126/science.278.5343.1580 UR - https://pubmed.ncbi.nlm.nih.gov/9411782/ ID - 9411782 ER -