In vivo utilization of intravenously administered L-alanyl-L-glutamine (Ala-Gln) and glycyl-L-tyrosine (Gly-Tyr) in healthy man. I. Kinetic studies : S. Albers, T. Graser, P. Lücker, N. Wetzelsberger, J. Wernerman, E. Vinnars, P. Fürst (Inst. Biol. Chem. & Nutr., Univ. Hohenheim, Stuttgart, FRG; IKP Bobenheim, Grünstadt, FRG; Dept. of Anaesth. and Intensive Care, St. Erik's Hospital, Stockholm, Sweden)