1. Non-tuberculous thoracic empyema: a collective review of the literature from 1934 to 1939;Ehler;Int Abstr Surg,1941
2. Finland M: Cited by Nowak SJG5.
3. Empyema thoracis;Le Roux;Br J Surg,1965
4. The mortality of empyema: an analysis of one hundred consecutive deaths from the records of Charity Hospital in New Orleans;Maes;J Thorac Surg,1935
5. Empyema thoracis: an analytical study of 500 cases with general remarks;Nowak;Med Clin North Am,1939