{\rtf1\ansi\deff0\deftab360 {\fonttbl {\f0\fswiss\fcharset0 Arial} {\f1\froman\fcharset0 Times New Roman} {\f2\fswiss\fcharset0 Verdana} {\f3\froman\fcharset2 Symbol} } {\colortbl; \red0\green0\blue0; } {\info {\author Biblio}{\operator }{\title Biblio RTF Export}} \f1\fs24 \paperw11907\paperh16839 \pgncont\pgndec\pgnstarts1\pgnrestart Johnson AL, Aravind L, Shulzhenko N, Morgun A, Choi S-Y, Crockford TL, Lambe T, Domaschenz H, Kucharska EM, Zheng L et al..? 2009.??Themis is a member of a new metazoan gene family and is required for the completion of thymocyte positive selection.. Nature immunology. 10(8):831-9.\par \par }