A case of strangulated bowel obstruction in which transabdominal ultrasound was useful for preoperative diagnosis oleh Takako Konishi, Noriaki Manabe, Akihiro Shibuya, Emiko Bukeo, Jun Nakamura, Minoru Fujita, Hideyo Fujiwara, Yuko Fukuhara, Munenori Takaoka, Takashi Akiyama, Katsuya Kato, Jiro Hata, Ken Haruma, Tomoki Yamatsuji