Early postoperative enteral nutrition with arginine-omega-3 fatty acids and ribonucleic acid-supplemented diet versus placebo in cancer patients: an immunologic evaluation of Impact. - Kemen,M.; Senkal,M.; Homann,H.H.; Mumme,A.; Dauphin,A.K.; Baier,J.; Windeler,J.; Neumann,H.; Zumtobel,V. (Crit Care Med, 1995)