{"paper_id":"9047bc24-b191-4211-bf03-aebdea5fe700","body_text":"-\nN. Ishikawa\nDepartment of Obstetrics and Gynecology, National Defense Medical College\n-\nE. Imaizumi\nDepartment of Obstetrics and Gynecology, National Defense Medical College\n-\nS. Tokuoka\nDepartment of Obstetrics and Gynecology, National Defense Medical College\n-\nC. Mitsui\nDepartment of Obstetrics and Gynecology, National Defense Medical College\n-\nJ. Hirata\nDepartment of Obstetrics and Gynecology, National Defense Medical College\n-\nN. Makimura\nDepartment of Obstetrics and Gynecology, National Defense Medical College\n-\nK. Furuya\nDepartment of Obstetrics and Gynecology, National Defense Medical College\n-\nK. Seki\nDepartment of Obstetrics and Gynecology, National Defense Medical College\n-\nY. Kikuchi\nDepartment of Obstetrics and Gynecology, National Defense Medical College\n-\nI. Nagata\nDepartment of Obstetrics and Gynecology, National Defense Medical College","source_license":"CC0","license_restricted":false}