title: Colorimetric determination of vitamin A with trichloroaceiic acid.
mesh_terms: D000818:Animals; D003124:Colorimetry; D005260:Female; D007202:Indicators and Reagents; D008099:Liver / Q000032:analysis; D008722:Methods; D012756:Sheep; D013053:Spectrophotometry; D013552:Swine; D014238:Trichloroacetic Acid; D014801:Vitamin A / Q000032:analysis* / Q000097:blood
chemical_list: D007202:Indicators and Reagents; D014801:Vitamin A; D014238:Trichloroacetic Acid