Education and imaging. Gastrointestinal: Signs of pneumoperitoneum.
Hokama
A
A
First Department of Internal Medicine, University of the Ryukyus, Okinawa, Japan.
Nakamura
M
M
Kobashigawa
C
C
Chinen
H
H
Kishimoto
K
K
Nakamoto
M
M
Hirata
T
T
Kinjo
N
N
Kinjo
F
F
Samura
H
H
Nishimaki
T
T
Fujita
J
J