title: Filtration of duodenal fluid for the diagnosis of opisthorchiasis.
mesh_terms: D000293:Adolescent; D000328:Adult; D001826:Body Fluids / Q000469:parasitology; D003003:Clonorchiasis / Q000175:diagnosis; D004386:Duodenum / Q000469:parasitology*; D005243:Feces / Q000469:parasitology; D005374:Filtration / Q000379:methods; D006801:Humans; D009889:Opisthorchiasis / Q000175:diagnosis*; D010270:Parasite Egg Count