Ammonium acid urate lithiasis: experimental observations.
D006801:Humans; D066298:In Vitro Techniques; D000644:Quaternary Ammonium Compounds / Q000494:pharmacology*; D014527:Uric Acid / Q000494:pharmacology; D014545:Urinary Calculi / Q000209:etiology*
D000644:Quaternary Ammonium Compounds; D014527:Uric Acid