title: The falciform ligament sign of pneumoperitoneum.
authors: Department of Infectious, Respiratory, and Digestive Medicine, University of the Ryukyus, Nishihara, Okinawa, Japan. E-mail: hokama.a@med.u.ryukyu.ac.jp.
authors: Akira
authors: A
authors: Hokama
authors: Mitsuteru
authors: M
authors: Nakamura
authors: Fukunori
authors: F
authors: Kinjo
authors: Jiro
authors: J
authors: Fujita