Strain evolution in Caenorhabditis elegans: transposable elements as markers of interstrain evolutionary history.
Egilmez NK, Ebert RH, Shmookler Reis RJ. Strain evolution in Caenorhabditis elegans: transposable elements as markers of interstrain evolutionary history. J Mol Evol. 1995 Apr; 40(4):372-81.