- Molecular cloning and biological characterization of a novel murine lymphoid growth factor. Sims, J.E., Williams, D.E., Morrissey, P.J., Garka, K., Foxworthe, D., Price, V., Friend, S.L., Farr, A., Bedell, M.A., Jenkins, N.A., Copeland, N.G., Grabstein, K., Paxton, R.J. J. Exp. Med. (2000)