組合せ最適化問題に対する 効率的な厳密解法のための問題の 記述法に関する研究 乾 伸雄

Do self-checks. Do regular self-examinations of your breasts. Most partners are more than happy to help, not just because breast cancer is the most common cancer among women. The best time to examine your breasts is in the week after your period.