Early enteral administration of a formula (Impact) supplemented with arginine, nucleotides, and fish oil in intensive care unit patients: Results of a multicenter, prospective, randomized, clinical trial. - Bower,R.H.; Cerra,F.B.; Bershadsky,B.; Licari,J.J.; Hoyt,D.B.; Jensen,G.L.; Van Buren,C.T.; Rothkopf,M.M.; Daly,J.M.; Adelsberg,B.R. (Crit Care Med, 1995)