1. Der Einfluss des Pneumoperitoneums auf das Lungenemphysem;Reich;Wien. Arch. F. inn. Med.,1924
2. Mejorias Sintomaticas del Enfisema por el Neumoperotoneo;Piaggio-Blanco;Arch. Urug. de Med., cir. y especialid,1937
3. Physical and Clinical Study with Indications for the Therapeutic Use of Pneumoperitoneum; Diaphragm in Regulation of Relation Between Thorax and Abdomen;Monaldi;Rev. argent. de tuberc.,1937
4. Pneumoperitoneum in the Treatment of Bronchial Asthma;Rubin;Canad. Med. Assoc. J.,1948
5. Ventilation Measurements in Pulmonary Emphysema Treated with Pneumoperitoneum;Gaensler;J. Lab. and Clin. M.,1950