[On the utilization of pneumoperitoneum in the diagnosis of tumors of abdominal organs].
D000005:Abdomen; D034841:Abdominal Cavity; D000008:Abdominal Neoplasms; D009369:Neoplasms; D011027:Pneumoperitoneum; D011028:Pneumoperitoneum, Artificial
ABDOMEN/neoplasms; PNEUMOPERITONEUM, ARTIFICIAL