title: Route of administration and portal vein amino acid concentration.
mesh_terms: D000284:Administration, Oral; D000409:Alanine / Q000097:blood; D000596:Amino Acids / Q000008:administration & dosage* / Q000097:blood; D000818:Animals; D005998:Glycine / Q000097:blood; D007275:Injections, Intravenous; D008099:Liver / Q000378:metabolism; D010288:Parenteral Nutrition; D011169:Portal Vein; D051381:Rats; D013912:Threonine / Q000097:blood; D014443:Tyrosine / Q000097:blood
chemical_list: D000596:Amino Acids; D013912:Threonine; D014443:Tyrosine; D000409:Alanine; D005998:Glycine