1. Surgery of Pulmonary Tuberculosis;Alexander,1925
2. Bull, P.: Thoracoplasty in the Treatment of Pulmonary Tuberculosis, VII, Internat. Conf. a Tub., Oslo, 1930.
3. Holst, J.: Quoted by Semb.4
4. Semb, Carl: Thoracoplasty With Extrafasciai Apicolysis, Translated Reprint From Nationaltrykkeriet, Oslo, 1935.
5. Aspects of New Methods of Surgical Collapse in Pulmonary Tuberculosis: Extrapleural Selective Pneumothorax and Oleothorax;Graf;Deutsche med. Wchnschr.,1937