title: Freeze-etching observations on Toxoplasma gondii-cysts from brain of Mastomys natalensis.
mesh_terms: D000818:Animals; D001921:Brain / Q000469:parasitology; D005613:Freeze Etching; D051381:Rats; D014122:Toxoplasma / Q000302:isolation & purification / Q000648:ultrastructure*