Wenyuan Cai Shuigeng Zhou Weining Qian Linhao Xu Kian-Lee Tan Aoying Zhou 248-261 2005 3 IJHPCN 4 http://dx.doi.org/10.1504/IJHPCN.2005.008567 db/journals/ijhpcn/ijhpcn3.html#CaiZQXTZ05