title: The Amino Acid Requirements of Swine: I. Tryptophan.
authors.forename: W M
authors.initials: WM
authors.lastname: Beeson
authors.forename: E T
authors.initials: ET
authors.lastname: Mertz
authors.forename: D C
authors.initials: DC
authors.lastname: Shelton
mesh_terms: D000596:Amino Acids; D000818:Animals; D013552:Swine; D014364:Tryptophan / Q000494:pharmacology*
chemical_list: D000596:Amino Acids; D014364:Tryptophan