Particle number analysis of lipoprotein subclasses by gel permeation HPLC in patients with cholesteryl ester transfer protein deficiency. oleh Takeshi Okada, Tohru Ohama, Mitsuyo Okazaki, Kotaro Kanno, Hibiki Matsuda, Masami Sairyo, Yinghong Zhu, Ayami Saga, Takuya Kobayashi, Daisaku Masuda, Masahiro Koseki, Makoto Nishida, Yasushi Sakata, Shizuya Yamashita