Naturally conceived heterotopic pregnancy treated with abdominal wall-lifting laparoscopic salpingectomy using spinal anaesthesia. (17th November 2017) - Nakanishi, Kentaro; Miyamoto, Toshinobu; Murakami, Koji; Ono, Masatada; Nozawa, Akemi; Sengoku, Kazuo; Kitamura, Shinitsu