Mémoires sur les hôpitaux de Paris.

Reforms quickly followed Tenon’s disclosures of the dreadful conditions prevailing in the hospitals of Paris in the 18th century. He was also instrumental in the foundation of a special hospital for children. English translation as Memoirs on Paris  hospitals. Edited and with an introduction, notes and appendices by Dora B. Weiner (1996). Digital facsimile from the Hathi Trust at this link.