The E-V13 clade is equivalent to the "alpha cluster" of E-M78 reported in Cruciani et al. (2004), and was first defined by the SNP V13 in Cruciani et al. (2006).
الصفة E-V13 مكافئة ل "alpha cluster" من E-M78 المقررة في Cruciani et al. (2004)، وقد عرفت أولا ب SNP V13 في Cruciani et al. (2006).