title: Human onchocerciasis: cryopreservation of isolated microfilariae.
mesh_terms: D003080:Cold Temperature; D006801:Humans; D008842:Microfilariae / Q000302:isolation & purification; D009854:Onchocerca; D009855:Onchocerciasis / Q000469:parasitology; D011309:Preservation, Biological / Q000379:methods*; D012867:Skin / Q000469:parasitology