Feng X, Rich SM, Akiyoshi D, Tumwine JK, Kekitiinwa A, Nabukeera N, Tzipori S, Widmer G.  2000.  Extensive polymorphism in Cryptosporidium parvum identified by multilocus microsatellite analysis.. Appl Environ Microbiol. 66(8):3344-9.

Ayala FJ, Escalante AA, Rich SM.  1999.  Evolution of Plasmodium and the recent origin of the world populations of Plasmodium falciparum.. Parassitologia. 41(1-3):55-68.

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.