Tomasz R Okon1. 1. Department of Palliative Medicine, Marshfield Clinic, 1000 North Oak Avenue, Marshfield, WI 54449, USA. okon.tomasz@marshfieldclinic.org
Authors: Laura C Hanson; Debra Dobbs; Barbara M Usher; Sharon Williams; Jim Rawlings; Timothy P Daaleman Journal: J Palliat Med Date: 2008-07 Impact factor: 2.947