Tanaka Sachiko, Nishigami Kazuhiro, Taniguchi Nobuyuki, Matsuo Hiroshi, Hirai Toshiko, Kaneda Satoshi, Ogasawara Masafumi, Satoh Hiroshi, Tobe Hiroyuki
Saiseikai Kumamoto Hospital Cardiovascular Center, Kumamoto, Japan.
Department of Clinical Laboratory Medicine, Jichi Medical School, Shimotsuke, Japan.
J Med Ultrason (2001). 2008 Mar;35(1):33-6. doi: 10.1007/s10396-007-0160-0.