Fertility-sparing surgery of malignant transformation arising from mature cystic teratoma of the ovary

Nobuhisa Yoshikawa, Toshiya Teshigawara, Yoshiki Ikeda, Kimihiro Nishino, Jun Sakata, Fumi Utsumi, Kaoru Niimi, Ryuichiro Sekiya, Shiro Suzuki, Michiyasu Kawai, Kiyosumi Shibata, Fumitaka Kikkawa, Hiroaki Kajiyama