Extraperitoneal pneumography; a preliminary report.
D000005:Abdomen; D000311:Adrenal Glands; D003050:Coccyx; D003952:Diagnostic Imaging; D007274:Injections, Intraperitoneal; D007668:Kidney; D011027:Pneumoperitoneum; D011028:Pneumoperitoneum, Artificial; D012007:Rectum; D012188:Retropneumoperitoneum
PNEUMOPERITONEUM, ARTIFICIAL