Use of the Prognostic Nutritional Index to predict clinical outcomes of patients with terminal stage cancer - Nakamura, Yoichi; Nagao, Jiro; Saida, Yoshihisa; Watanabe, Manabu; Okamoto, Yasushi; Asai, Koji; Enomoto, Toshiyuki; Kiribayashi, Takaharu; Kusachi, Shinya (Palliative care research, 2013)