Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Murakami Keisuke and Kitade Mari and Jinushi Makoto and Ikuma Shinichiro and Ikemoto Yuko and Nagai Saki and Matsumura Yuko and Kawasaki Yu and Yamamoto Noriko and Itakura Atsuo,A retrospective study analyzing factors associated with the difficulty in performing laparoscopic gynecologic surgery: Learning laparoscopic surgical techniques safely,JAPANESE JOURNAL OF GYNECOLOGIC AND OBSTETRIC ENDOSCOPY,1884-9938,JAPAN SOCIETY OF GYNECOLOGIC AND OBSTETRIC ENDOSCOPY AND MINIMALLY INVASIVE THERAPY,2019,35,2,199-204,https://cir.nii.ac.jp/crid/1390565134815126656,https://doi.org/10.5180/jsgoe.35.2_199