M. P Davis, T Yavuzsen, D Khoshknabi, J Kirkova, D Walsh, W Lasheen, R Lagman and M. T. Karafa
American Journal of Hospice and Palliative Medicine 26 ( 3 ): 180 - 187 , 2009
W Lasheen, D Walsh, K Hauser, T Gutgsell and M. T. Karafa
American Journal of Hospice and Palliative Medicine 26 ( 5 ): 368 - 375 , 2009