Paper, 'Remarks on the extractive material of urine, and on the excretion of sulphur and phosphorus by the kidneys in an unoxidized state' by Edmund Ronalds Subject: Medicine / Chemistry Published in Philosophical Transactions as 'Remarks on the extractive material of, and on the excretion of sulphur and phosphorus by the kidneys in an unoxidized state'. Communicated by Golding Bird. Received by the Royal Society on 25 April 1846. Read 18 June 1846. Abstract published in Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London [later Proceedings of the Royal Society of London], Volume 5, 1851. [1846]