Risk Management and Measuring Productivity with POAS - Point of Act System - Akiyama, M (World Congress of Medical Physics and Biomedical Engineering 2006.)
Imaging the Future Medicine Series: IFMBE Proceedings, Vol.14 Kim, Sun I.; Suh, Tae Suk (eds) 2007, pp 321-324. ISBN: 978-3-540-36839-7