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The multiplication procedure currently in use can be made scientifically valid only by extensive sampling of VNTR frequency distributions in a variety of ethnic groups, similar to the ethnic studies of various blood groups done in the past. Alternative approaches for dealing with subpopulation heterogeneity are discussed.<\/jats:p>","DOI":"10.1126\/science.1845040","type":"journal-article","created":{"date-parts":[[2006,10,5]],"date-time":"2006-10-05T22:10:16Z","timestamp":1160086216000},"page":"1745-1750","source":"Crossref","is-referenced-by-count":214,"title":["Population Genetics in Forensic DNA Typing"],"prefix":"10.1126","volume":"254","author":[{"given":"R. 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