Rich SM, Ferreira MU, Ayala FJ.  2000.  The origin of antigenic diversity in Plasmodium falciparum.. Parasitol Today. 16(9):390-6.

Rich SM, Ayala FJ.  2000.  Population structure and recent evolution of Plasmodium falciparum.. Proc Natl Acad Sci U S A. 97(13):6994-7001.

Rich SM, Licht MC, Hudson RR, Ayala FJ.  1998.  Malaria's Eve: evidence of a recent population bottleneck throughout the world populations of Plasmodium falciparum.. Proc Natl Acad Sci U S A. 95(8):4425-30.