title: Sex difference in the liver and plasma free amino acid concentrations in rats.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D005001:Ethionine / Q000032:analysis* / Q000097:blood; D005260:Female; D008099:Liver / Q000032:analysis; D008297:Male; D008715:Methionine / Q000032:analysis* / Q000097:blood; D051381:Rats; D012737:Sex Factors
chemical_list: D002247:Carbon Isotopes; D008715:Methionine; D005001:Ethionine