title: Proceedings of the 6th International Workshops on Opportunistic Protists. Raleigh, North Carolina, USA. May 26-29, 1999.
mesh_terms: D000818:Animals; D003458:Cryptosporidium / Q000472:pathogenicity*; D006801:Humans; D016816:Microsporida / Q000472:pathogenicity*; D009894:Opportunistic Infections / Q000382:microbiology* / Q000469:parasitology*; D011010:Pneumocystis / Q000472:pathogenicity*; D014122:Toxoplasma / Q000472:pathogenicity*