Response to letter to editor from Dr Xianqiang Yu-MedSci.cn

Response to letter to editor from Dr Xianqiang Yu

Awaya, T; Koizumi, T; Enomoto, Y; Moroi, M; Nakamura, M

Awaya, T (通讯作者)，Toho Univ, Med Ctr, Ohashi Hosp, Div Cardiovasc Med, 2-22-36 Ohashi,Meguro Ku, Tokyo 1538515, Japan.