1. Roentgen examination of the abdominal organs following an inflation of the peritoneal cavity;Stein;Ann. Surg.,1919
2. Pneumoperitoneal roentgen ray diagnosis;Stein,1921
3. Roentgen-ray study of the abdominal organs following oxygen inflation of the peritoneal cavity;Stewart;Am. J. Roentgenol.,1919
4. Subphrenic pneumoperitoneum produced by intra-uterine insufflation of oxygen;Rubin;Am. J. Roentgenol.,1921
5. A manometer and flow volumeter for transuterine peritoneal insufflation;Rubin;Am. J. Roentgenol.,1921