title: A new test preparation for bio-assay of factor I and gamma-aminobutyric acid.
mesh_terms: D000596:Amino Acids / Q000494:pharmacology*; D001681:Biological Assay; D005340:Fibrinogen; D007422:Intestines / Q000494:pharmacology*; D009420:Nervous System; D058013:Test Taking Skills; D005680:gamma-Aminobutyric Acid
chemical_list: D000596:Amino Acids; D005680:gamma-Aminobutyric Acid; D005340:Fibrinogen
keywords: AMINO ACIDS/pharmacology; BIOLOGICAL ASSAY; INTESTINES/pharmacology; NERVOUS SYSTEM/extracts