Lonsdale K, Mason P
Science. 1966 Jun 10;152(3728):1511-2. doi: 10.1126/science.152.3728.1511.
Uric acid, uric acid dihydrate, and ammnoniumn acid urate occur in bladder stones both ancient and modern. They are seldomn abuindant in stones fromn technically developed areas. Urates are usually confined to children's endemic bladder stones; uric acid dihydrate is rare, but uric acid used to be commzinon in bladder stones from elderly men.
尿酸、二水尿酸和尿酸铵在古今膀胱结石中均有出现。在技术发达地区的结石中，它们很少大量存在。尿酸盐通常局限于儿童地方性膀胱结石；二水尿酸很少见，但尿酸过去在老年男性的膀胱结石中很常见。
