Baker, Bradley. "The evolutionarily related major histocompatibility complex and CD1 : evolution of an endogenous retrovirus responsible for a polymorphism in human C4 and the biochemical characterizations of CD1A and E /." Doctoral dissertation, Ohio State University, 1998. http://rave.ohiolink.edu/etdc/view?acc_num=osu148794983620512Chicago Manual of Style (17th edition)