A Defected Ground Structure without Ground Contact Problem and Application to Branch Line Couplers by Jongsik Lim, Dal Ahn, Sang-Min Han, Yongchae Jeong, Haiwen Liu

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Compact Wake-Up Module Design Based on an Energy-Harvesting Rectenna for Wireless Sensor Receivers by Sang-Min Han, Yongwan Lee, Taemin Choi, Seok-Jae Lee, Jung-Woo Baik, Jongsik Lim, Dal Ahn

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Adherence to Pharmacological Management Guidelines for Stable Chronic Obstructive Lung Disease by Sang Min Han, Hyo Seon Kim, Seung Yong Park, Heung Bum Lee, Young Bum Park, Chin Kook Rhee, Youlim Kim, Seoung Ju Park

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