論文（英文）
Second cancers after adjuvant tamoxifen therapy for breast cancer in Japan.
Matsuyama Y, Tominaga T, Nomura Y, Koyama H, Miura S, Takashima S, Sano M, Mitsuyama S, Ueo H, and Ohashi Y. Second cancers after adjuvant tamoxifen therapy for breast cancer in Japan. Annals of Oncology. 2000; 11(12): 1537-1543.