G. Yan and Y. Gu
Applied Energy 87 ( 11 ): 3393 - 3400 , 2010
H. Li and G. Yan
Journal of Medical Engineering & Technology 32 ( 6 ): 448 - 455 , 2008
P. Zan, G. Yan and B. Huang
Journal of Medical Engineering & Technology 33 ( 1 ): 25 - 32 , 2009