title: [Search for parasitic elements in gallstones].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002769:Cholelithiasis / Q000469:parasitology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged
vernacular_title: Investigación de elementos parasitarios en cálculos biliares.