Oh, Seok Oh, Seok Oh, Seok Kyu Oh, Sung Sik Ohashi, Nobuyuki Ohayon, Jacques Ohman, E. Magnus Ohnishi, Yuji Ohno, Yuko Ohya, Toshiyuki, Nihon University Oikonomou, Evangelos Oikonomou, Evangelos (Greece) Oishi, Yohei Okada, Sadanori Okada, Seigo Okamura, Takayuki, Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan Okayama, Satoshi, Nara Medical University, First Department of Internal Medicine, Nara, Japan Okazaki, Nanase Oko-Sarnowska, Zofia Okon, Emmanuel Okoński, Piotr Okopień, Bogusław Okraska, Agnieszka Okraska-Bylica, Agnieszka Okraska-Bylica, Agnieszka, Klinika Choroby Wieńcowej Instytutu Kardiologii Collegium Medicum Uniwersytetu Jagiellońskiego w Krakowie