Rich SM, Armstrong PM, Smith RD, Telford SR.  2001.  Lone star tick-infecting borreliae are most closely related to the agent of bovine borreliosis.. J Clin Microbiol. 39(2):494-7.

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.