1. A Case of Thoracoplasty for the Removal of a Large Cicatricial Fibrous Growth From the Interior of the Chest, the Result of an Old Empyema;Fowler;M. Rec.,1893
2. Nouveau traitement des empyèmes chroniques;Delorme;Gaz. d. hôp.,1894
3. Oulmont: quoted in Violet.7
4. Cornil: quoted in Violet.7