[The diagnostic significance of pneumoperitoneum and pneumoretroperitoneum for the diagnosis of various diseases of the abdominal organs].
D000005:Abdomen; D034841:Abdominal Cavity; D004194:Disease; D006801:Humans; D007327:Insufflation; D011027:Pneumoperitoneum; D011028:Pneumoperitoneum, Artificial; D012188:Retropneumoperitoneum
ABDOMEN/diseases; PNEUMOPERITONEUM, ARTIFICIAL; RETROPNEUMOPERITONEUM