The incidence of medullary sponge kidney.
D000236:Adenoma / Q000150:complications; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D007691:Medullary Sponge Kidney / Q000150:complications / Q000000981:diagnostic imaging / Q000453:epidemiology*; D008875:Middle Aged; D010282:Parathyroid Neoplasms / Q000150:complications; D012737:Sex Factors; D006113:United Kingdom; D014567:Urography