1[1]Ratricia A. Parmelle, Ira R. Katz, et al. The relation of pain to depression among institutionalized age. Journarl of Gerontology: Psycholosical, 1991,46(1):15
2[2]Stephen W. Harkins, Joseph Kwentns. et al, Pain and Suffering in the elderly. In:John J.Bonica. The management of pain. Second edition Vol. 1 London :Lea & Febiger Phildadelphia, 1990. 552～ 559
