AUTHOR=Marcus Alexander W., Ebel Emily R., Friedman Daniel A. TITLE=Commentary: Portuguese crypto-Jews: the genetic heritage of a complex history JOURNAL=Frontiers in Genetics VOLUME=6 YEAR=2015 URL=https://www.frontiersin.org/journals/genetics/articles/10.3389/fgene.2015.00261 DOI=10.3389/fgene.2015.00261 ISSN=1664-8021