First Department of Surgery, Yokohama City University School of Medicine

First Department of Surgery, Yokohama City University School of Medicine

First Department of Surgery, Yokohama City University School of Medicine

First Department of Surgery, Yokohama City University School of Medicine

First Department of Surgery, Yokohama City University School of Medicine

First Department of Surgery, Yokohama City University School of Medicine

First Department of Surgery, Yokohama City University School of Medicine

First Department of Surgery, Yokohama City University School of Medicine

Central Research Laboratories, Chugai Pharmaceutical Company