Seung Keun Oh

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1. INTRODUCTION Multicarrier modulation techniques, such as, OFDM (Orthogonal Frequency Division Modulation) and DMT (Discrete Multi-Tone), have received great attention in high-speed data communication systems [1]. In communication systems, OFDM has become popular in various standards, for example, local area network (WLAN), digital audio broadcasting(More)
BACKGROUND The incidence of breast cancer in young women (age < 35) is low. The biology of the disease in this age group is poorly understood, and there are conflicting data regarding the prognosis for these women compared to older patients. METHODS We retrospectively analyzed 2040 consecutive primary invasive breast cancer patients who underwent surgical(More)
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