title: [Clinical observation of staghorn calculi 1. Statistical analysis].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005260:Female; D006801:Humans; D007564:Japan; D007669:Kidney Calculi / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged