- Vacuum Phenomenon of the Sacroiliac Joint: Correlation with Sacropelvic Morphology
- Yoichiro Takata, Kosaku Higashino, Masatoshi Morimoto, Toshinori Sakai, Kazuta Yamashita, Mitusnobu Abe, Akihiro Nagamachi, Koichi Sairyo
- Asian Spine J. 2016;10(4):762-766. Published online August 16, 2016