Impact of the low-to high-density lipoprotein cholesterol ratio on composition of angiographically ambiguous

Nobutake Kurebayashi, Daiji Yoshikawa, Hideki Ishii, Bummei Sato, Hirohiko Ando, Takuya Okada, Seiichi Hayakawa, Naoki Okumura, Satoshi Isobe, Kyosuke Takeshita, Mutsuharu Hayashi, Tadayuki Uetani, Tetsuya Amano, Toyoaki Murohara